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ORIGINAL German License Plate Mazda Lincoln Lexus Land Range Rover BMW
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A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0508 Component A16/2 (knock sensor 2, left) has an electrical fault. (P0330)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0508
Component A16/2 (knock sensor 2, left) has an electrical fault. (P0330)
Possible cause:
- A16/2 (knock sensor 2, eft) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component A16/2 (knock sensor 2, eft).
1. Check component A16/2 (knock sensor 2, left). Test prereuisite
- Engine running Test seuence
- riefy ip throtte. tatus of reeant actua aue: - Cooant temperature:Warning! Communication ith EC reuired. - Knock contro enae:Warning! pecified aue
- Knock contro enae:E uestion
- s the actua aue o.k.
ES The actua aue is okay.End of test
O The actua aue is not o.k.ossie cause and remedy
- ines to component A16/2 (knock sensor 2, eft) - Component A16/2 (knock sensor 2, eft) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0508
Component A16/2 (knock sensor 2, left) has an electrical fault. (P0330)
Possible cause:
- A16/2 (knock sensor 2, eft) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component A16/2 (knock sensor 2, eft).
1. Check component A16/2 (knock sensor 2, left). Test prereuisite
- Engine running Test seuence
- riefy ip throtte. tatus of reeant actua aue: - Cooant temperature:Warning! Communication ith EC reuired. - Knock contro enae:Warning! pecified aue
- Knock contro enae:E uestion
- s the actua aue o.k.
ES The actua aue is okay.End of test
O The actua aue is not o.k.ossie cause and remedy
- ines to component A16/2 (knock sensor 2, eft) - Component A16/2 (knock sensor 2, eft) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0505 Component A16/2 (knock sensor 2, left) has a short circuit to positive. (P0333)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0505
Component A16/2 (knock sensor 2, left) has a short circuit to positive. (P0333)
Possible cause:
- A16/2 (knock sensor 2, left) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component A16/2 (knock sensor 2, left).
1. Check component A16/2 (knock sensor 2, left). Test prerequisite
- Engine running Test sequence
- Briefly blip throttle. Status of relevant actual value: - Coolant temperature:Warning! Communication with ECU required. - Knock control enable:Warning! Specified value
- Knock control enable:YES Question
- Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Lines to component A16/2 (knock sensor 2, left) - Component A16/2 (knock sensor 2, left) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0505
Component A16/2 (knock sensor 2, left) has a short circuit to positive. (P0333)
Possible cause:
- A16/2 (knock sensor 2, left) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component A16/2 (knock sensor 2, left).
1. Check component A16/2 (knock sensor 2, left). Test prerequisite
- Engine running Test sequence
- Briefly blip throttle. Status of relevant actual value: - Coolant temperature:Warning! Communication with ECU required. - Knock control enable:Warning! Specified value
- Knock control enable:YES Question
- Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Lines to component A16/2 (knock sensor 2, left) - Component A16/2 (knock sensor 2, left) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0506 Component A16/2 (knock sensor 2, left) has a short circuit to ground. (P0332)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0506
Component A16/2 (knock sensor 2, left) has a short circuit to ground. (P0332)
Possible cause:
- 16/2 (knock sensor 2 left) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component 16/2 (knock sensor 2 left).
1. Check component A16/2 (knock sensor 2, left). Test prerequisite
- Engine running Test sequence
- Briefly blip throttle. Status of relevant actual value: - Coolant temperature:Warning! Communication with ECU required. - Knock control enable:Warning! Specified value
- Knock control enable:ES Question
- Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- ines to component 16/2 (knock sensor 2 left) - Component 16/2 (knock sensor 2 left) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0506
Component A16/2 (knock sensor 2, left) has a short circuit to ground. (P0332)
Possible cause:
- 16/2 (knock sensor 2 left) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component 16/2 (knock sensor 2 left).
1. Check component A16/2 (knock sensor 2, left). Test prerequisite
- Engine running Test sequence
- Briefly blip throttle. Status of relevant actual value: - Coolant temperature:Warning! Communication with ECU required. - Knock control enable:Warning! Specified value
- Knock control enable:ES Question
- Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- ines to component 16/2 (knock sensor 2 left) - Component 16/2 (knock sensor 2 left) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0502
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0502
Component A16/1 (knock sensor 1, right) has a short circuit to ground. (P0327)
Possible cause:
- A16/1 (knock sensor 1, right) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component A16/1 (knock sensor 1, right).
1. Check component A16/1 (knock sensor 1, right). Test prerequisite
- Engine running Test sequence
- Briefly blip throttle. Status of relevant actual value: - Coolant temperature:Warning! Communication with ECU required. - Knock control enable:Warning! Specified value
- Knock control enable:YES Question
- Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Lines to component A16/1 (knock sensor 1, right) - Component A16/1 (knock sensor 1, right) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0502
Component A16/1 (knock sensor 1, right) has a short circuit to ground. (P0327)
Possible cause:
- A16/1 (knock sensor 1, right) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component A16/1 (knock sensor 1, right).
1. Check component A16/1 (knock sensor 1, right). Test prerequisite
- Engine running Test sequence
- Briefly blip throttle. Status of relevant actual value: - Coolant temperature:Warning! Communication with ECU required. - Knock control enable:Warning! Specified value
- Knock control enable:YES Question
- Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Lines to component A16/1 (knock sensor 1, right) - Component A16/1 (knock sensor 1, right) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0504
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0504
Component A16/1 (knock sensor 1, right) has an electrical fault. (P0325)
Possible cause:
- 1/1 knock sensor 1 right Affected functions:
- Engine running
------------------------------------------------
Test 1: heck component 1/1 knock sensor 1 right.
1. Check component A16/1 (knock sensor 1, right). Test prereuisite
- Engine running Test seuence
- riefl blip throttle. Status of releant actual alue: - oolant temperature:Warning! ommunication ith E reuired. - nock control enable:Warning! Specified alue
- nock control enable:ES uestion
- Is the actual alue o.k.
ES The actual alue is oka.End of test
The actual alue is not o.k.ossible cause and remed
- ines to component 1/1 knock sensor 1 right - omponent 1/1 knock sensor 1 right End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0504
Component A16/1 (knock sensor 1, right) has an electrical fault. (P0325)
Possible cause:
- 1/1 knock sensor 1 right Affected functions:
- Engine running
------------------------------------------------
Test 1: heck component 1/1 knock sensor 1 right.
1. Check component A16/1 (knock sensor 1, right). Test prereuisite
- Engine running Test seuence
- riefl blip throttle. Status of releant actual alue: - oolant temperature:Warning! ommunication ith E reuired. - nock control enable:Warning! Specified alue
- nock control enable:ES uestion
- Is the actual alue o.k.
ES The actual alue is oka.End of test
The actual alue is not o.k.ossible cause and remed
- ines to component 1/1 knock sensor 1 right - omponent 1/1 knock sensor 1 right End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0552 G3/6 (ight O2 sensor, after TWC [KAT]) : Short circuit between signal line and line to sensor heater (P0136)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0552
G3/6 (ight O2 sensor, after TWC [KAT]) : Short circuit between signal line and line to sensor heater (P0136)
Possible cause:
- G3/ (ight O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/ (ight O2 sensor, after TWC [KAT]).
1. Check component G3/6 (ight O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0552
G3/6 (ight O2 sensor, after TWC [KAT]) : Short circuit between signal line and line to sensor heater (P0136)
Possible cause:
- G3/ (ight O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/ (ight O2 sensor, after TWC [KAT]).
1. Check component G3/6 (ight O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0501
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0501
Component A16/1 (knock sensor 1, right) has a short circuit to positie. (P0328)
Possible cause:
- A1/1 (knock sensor 1, right) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component A1/1 (knock sensor 1, right).
1. Check component A16/1 (knock sensor 1, right). Test prereuisite
- Engine running Test seuence
- riefy ip throtte. tatus of reeant actua aue: - Cooant temperature:Warning! Communication ith EC reuired. - Knock contro enae:Warning! pecified aue
- Knock contro enae:E uestion
- s the actua aue o.k.
ES The actua aue is okay.End of test
O The actua aue is not o.k.ossie cause and remedy
- Lines to component A1/1 (knock sensor 1, right) - Component A1/1 (knock sensor 1, right) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0501
Component A16/1 (knock sensor 1, right) has a short circuit to positie. (P0328)
Possible cause:
- A1/1 (knock sensor 1, right) Affected functions:
- Engine running
------------------------------------------------
Test 1: Check component A1/1 (knock sensor 1, right).
1. Check component A16/1 (knock sensor 1, right). Test prereuisite
- Engine running Test seuence
- riefy ip throtte. tatus of reeant actua aue: - Cooant temperature:Warning! Communication ith EC reuired. - Knock contro enae:Warning! pecified aue
- Knock contro enae:E uestion
- s the actua aue o.k.
ES The actua aue is okay.End of test
O The actua aue is not o.k.ossie cause and remedy
- Lines to component A1/1 (knock sensor 1, right) - Component A1/1 (knock sensor 1, right) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0549
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0549
G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit to positive / Resistance of sensor heater too low (P0138)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0549
G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit to positive / Resistance of sensor heater too low (P0138)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0550
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0550
G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit to ground (P0136)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0550
G3/6 (Right O2 sensor, after TWC [KAT]) : Short circuit to ground (P0136)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0551
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0551
G3/6 (Right O2 sensor, after TWC [KAT]) : Discontinuity of signal line (P0140)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) - N10/1kI (Circuit 87 relay, engine) - N10/1f57 (Fuse 57) - Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 2: Arrangement of fuses
Test 3: Power supply
Test 4: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 1.1: Test voltage supply of circuit 87. ( Check using actual value )
Test 1.2: Test voltage supply of circuit 30.
Test 1.3: Test voltage supply of circuit 87.
Test 1.4: Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test 1.5: Test voltage supply of circuit 15.
1.1. Test voltage supply of circuit 87. ( Check using actual value ) Test prerequisite
- The voltage test at component G1 (Battery) is o.k. - Ignition ON Status of relevant actual value: - Battery voltage:Warning! Communication with ECU required. Specified value
- Battery voltage[11.0 ... 15.0] V Question:Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Test voltage supply of circuit 30. - Test voltage supply of circuit 87.
1.2. Test voltage supply of circuit 30. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42) - Lines End of test
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 3
1.3. Test voltage supply of circuit 87. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 87.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126-pole socket box tester. - Switch on ignition. Specified value
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 4
- Voltage[11.0...15.0] V Question
- Are the measurement values OK?
YES The measurement values are OK.Further possible causes of fault
- Test voltage supply of circuit 30.
NO The measurement values are not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - N10/1f44 (Fuse 44) - N10/1kI (Circuit 87 relay, engine) - Lines - N10/1 (Driver-side SAM control unit with fuse and relay module) End of test
1.4. Test current consumption of component N10/1kR (Circuit 87 relay, engine). Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 5
Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test sequence
- Measure direct current with multimeter between sockets [F.4] 100 and [F.27] 123 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0.1...0.3] A Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/1kR (Circuit 87 relay, engine) - N10/1kR (Circuit 87 relay, engine) End of test
1.5. Test voltage supply of circuit 15. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 6
Test voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52) - Lines End of test
2. Arrangement of fuses Figure legend/figure
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 7
- N10/1 (Driver-side SAM control unit with fuse and relay module) Fuses
- FuseF43-F67 Relays
- I =N10/1kI (Circuit 87 relay, engine) - K =N10/1kK (Circuit 87 relay, chassis) - L =N10/1kL (Starter relay) - M =N10/1kM (SEQ [ASG] pump control relay) - N =N10/1kN (Circuit 15 relay) - O =N10/1kO (FAN relay module) - P =N10/1kP (Circuit 15R relay) - R =N10/1kR (Air pump or oil cooler fan relay)
3. Power supply Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
4. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0551
G3/6 (Right O2 sensor, after TWC [KAT]) : Discontinuity of signal line (P0140)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) - N10/1kI (Circuit 87 relay, engine) - N10/1f57 (Fuse 57) - Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 2: Arrangement of fuses
Test 3: Power supply
Test 4: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 1.1: Test voltage supply of circuit 87. ( Check using actual value )
Test 1.2: Test voltage supply of circuit 30.
Test 1.3: Test voltage supply of circuit 87.
Test 1.4: Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test 1.5: Test voltage supply of circuit 15.
1.1. Test voltage supply of circuit 87. ( Check using actual value ) Test prerequisite
- The voltage test at component G1 (Battery) is o.k. - Ignition ON Status of relevant actual value: - Battery voltage:Warning! Communication with ECU required. Specified value
- Battery voltage[11.0 ... 15.0] V Question:Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Test voltage supply of circuit 30. - Test voltage supply of circuit 87.
1.2. Test voltage supply of circuit 30. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42) - Lines End of test
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 3
1.3. Test voltage supply of circuit 87. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 87.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126-pole socket box tester. - Switch on ignition. Specified value
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 4
- Voltage[11.0...15.0] V Question
- Are the measurement values OK?
YES The measurement values are OK.Further possible causes of fault
- Test voltage supply of circuit 30.
NO The measurement values are not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - N10/1f44 (Fuse 44) - N10/1kI (Circuit 87 relay, engine) - Lines - N10/1 (Driver-side SAM control unit with fuse and relay module) End of test
1.4. Test current consumption of component N10/1kR (Circuit 87 relay, engine). Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 5
Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test sequence
- Measure direct current with multimeter between sockets [F.4] 100 and [F.27] 123 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0.1...0.3] A Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/1kR (Circuit 87 relay, engine) - N10/1kR (Circuit 87 relay, engine) End of test
1.5. Test voltage supply of circuit 15. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 6
Test voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52) - Lines End of test
2. Arrangement of fuses Figure legend/figure
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 7
- N10/1 (Driver-side SAM control unit with fuse and relay module) Fuses
- FuseF43-F67 Relays
- I =N10/1kI (Circuit 87 relay, engine) - K =N10/1kK (Circuit 87 relay, chassis) - L =N10/1kL (Starter relay) - M =N10/1kM (SEQ [ASG] pump control relay) - N =N10/1kN (Circuit 15 relay) - O =N10/1kO (FAN relay module) - P =N10/1kP (Circuit 15R relay) - R =N10/1kR (Air pump or oil cooler fan relay)
3. Power supply Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
4. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0524
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0524
Diagnosis of tumble flap Intake manifold : Short or open circuit in sensor lines / Mechanical fault of one actuating leer / Sensor faulty, replace sensor. (P2005)
Possible cause:
- iagnosis of tume fap ntake manifod Affected functions:
- Engine output
------------------------------------------------
Test 1: iagnosis of tume fap ntake manifod : hort or open circuit in sensor ines / echanica faut of one actuating eer ensor fauty, repace sensor.
1. Diagnosis of tumble flap Intake manifold : Short or open circuit in sensor lines / Mechanical fault of one actuating leer Sensor faulty, replace sensor. Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0524
Diagnosis of tumble flap Intake manifold : Short or open circuit in sensor lines / Mechanical fault of one actuating leer / Sensor faulty, replace sensor. (P2005)
Possible cause:
- iagnosis of tume fap ntake manifod Affected functions:
- Engine output
------------------------------------------------
Test 1: iagnosis of tume fap ntake manifod : hort or open circuit in sensor ines / echanica faut of one actuating eer ensor fauty, repace sensor.
1. Diagnosis of tumble flap Intake manifold : Short or open circuit in sensor lines / Mechanical fault of one actuating leer Sensor faulty, replace sensor. Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0537 B2/5 (Hot film mass air flow sensor)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0537
B2/5 (Hot film mass air flow sensor)
Possible cause:
- B2/5 (Hot film mass air flow sensor) Affected functions:
- Engine output
------------------------------------------------
Test 1: Check component B2/5 (Hot film mass air flow sensor).
1. Check component B2/5 (Hot film mass air flow sensor).
Test 1.1: Check signal of component B2/5 (Hot film mass air flow sensor) via actual value with engine OFF.
Test 1.2: Check signal of component B2/5 (Hot film mass air flow sensor) via actual value with engine speed greater than 3500 rpm.
Test 1.3: Check reference signal of component B2/5 (Hot film mass air flow sensor).
Test 1.4: Check power supply of component B2/5 (Hot film mass air flow sensor).
1.1. Check signal of component B2/5 (Hot film mass air flow sensor) via actual value with engine OFF. Warning!Communication with ECU required.
1.2. Check signal of component B2/5 (Hot film mass air flow sensor) via actual value with engine speed greater than 3500 rpm. Warning!Communication with ECU required.
1.3. Check reference signal of component B2/5 (Hot film mass air flow sensor). Test sequence
- Switch on ignition. Status of relevant actual value: - HFM-SFI ( Reference signal ):Warning! Communication with ECU required. Specified value
- Reference signal[46...59] ms Question
- Is the measurement value OK?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Check lines from component N3/10 (ME-SFI [ME] control unit) to component B2/5 (Hot film mass air flow sensor). - B2/5 (Hot film mass air flow sensor)
1.4. Check power supply of component B2/5 (Hot film mass air flow sensor). Image legends
- B2/5 (Hot film mass air flow sensor) - Connector (5-pin) Test prerequisite
- The actual value is not o.k.
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
Test sequence
- Switch off ignition. - Detach coupling at component B2/5 (Hot film mass air flow sensor). - Measure direct voltage with multimeter between sockets (B2/5) 2 and (B2/5) 1 - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The actual value is okay.Further possible causes of fault
- Unmetered air - Signal wire - B2/5 (Hot film mass air flow sensor) End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - Cable for voltage supply End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0537
B2/5 (Hot film mass air flow sensor)
Possible cause:
- B2/5 (Hot film mass air flow sensor) Affected functions:
- Engine output
------------------------------------------------
Test 1: Check component B2/5 (Hot film mass air flow sensor).
1. Check component B2/5 (Hot film mass air flow sensor).
Test 1.1: Check signal of component B2/5 (Hot film mass air flow sensor) via actual value with engine OFF.
Test 1.2: Check signal of component B2/5 (Hot film mass air flow sensor) via actual value with engine speed greater than 3500 rpm.
Test 1.3: Check reference signal of component B2/5 (Hot film mass air flow sensor).
Test 1.4: Check power supply of component B2/5 (Hot film mass air flow sensor).
1.1. Check signal of component B2/5 (Hot film mass air flow sensor) via actual value with engine OFF. Warning!Communication with ECU required.
1.2. Check signal of component B2/5 (Hot film mass air flow sensor) via actual value with engine speed greater than 3500 rpm. Warning!Communication with ECU required.
1.3. Check reference signal of component B2/5 (Hot film mass air flow sensor). Test sequence
- Switch on ignition. Status of relevant actual value: - HFM-SFI ( Reference signal ):Warning! Communication with ECU required. Specified value
- Reference signal[46...59] ms Question
- Is the measurement value OK?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Check lines from component N3/10 (ME-SFI [ME] control unit) to component B2/5 (Hot film mass air flow sensor). - B2/5 (Hot film mass air flow sensor)
1.4. Check power supply of component B2/5 (Hot film mass air flow sensor). Image legends
- B2/5 (Hot film mass air flow sensor) - Connector (5-pin) Test prerequisite
- The actual value is not o.k.
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
Test sequence
- Switch off ignition. - Detach coupling at component B2/5 (Hot film mass air flow sensor). - Measure direct voltage with multimeter between sockets (B2/5) 2 and (B2/5) 1 - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The actual value is okay.Further possible causes of fault
- Unmetered air - Signal wire - B2/5 (Hot film mass air flow sensor) End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - Cable for voltage supply End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0521
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0521
Diagnosis of tumble flap 'Intake manifold' : Short circuit to ground of sensor lines / Tumble flap shafts stick in the actuated position. (P2004)
Possible cause:
- Tumble flap shafts stick in the actuated position. Affected functions:
- Engine output
------------------------------------------------
Test 1: Diagnosis of tumble flap 'Intake manifold' : Short circuit to ground of sensor lines / Tumble flap shafts stick in the actuated position.
1. Diagnosis of tumble flap 'Intake manifold' : Short circuit to ground of sensor lines / Tumble flap shafts stick in the actuated position. Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0521
Diagnosis of tumble flap 'Intake manifold' : Short circuit to ground of sensor lines / Tumble flap shafts stick in the actuated position. (P2004)
Possible cause:
- Tumble flap shafts stick in the actuated position. Affected functions:
- Engine output
------------------------------------------------
Test 1: Diagnosis of tumble flap 'Intake manifold' : Short circuit to ground of sensor lines / Tumble flap shafts stick in the actuated position.
1. Diagnosis of tumble flap 'Intake manifold' : Short circuit to ground of sensor lines / Tumble flap shafts stick in the actuated position. Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0522 Diagnosis of tumble flap Intake manifold : Open circuit of sensor lines / Tumble flap shafts stick in the nonactuated position. (P2006)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0522
Diagnosis of tumble flap Intake manifold : Open circuit of sensor lines / Tumble flap shafts stick in the nonactuated position. (P2006)
Possible cause:
- acuum supply of component Y22/ (Intake manifold tumble flap switchover valve) or the aneroid capsule for the tumble flap Affected functions:
- Engine output
------------------------------------------------
Test 1: iagnosis of tumble flap Intake manifold : pen circuit of sensor lines / Tumble flap shafts stick in the nonactuated position.
1. Diagnosis of tumble flap Intake manifold : Open circuit of sensor lines / Tumble flap shafts stick in the nonactuated position. Warning!Communication ith EC reuired.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0522
Diagnosis of tumble flap Intake manifold : Open circuit of sensor lines / Tumble flap shafts stick in the nonactuated position. (P2006)
Possible cause:
- acuum supply of component Y22/ (Intake manifold tumble flap switchover valve) or the aneroid capsule for the tumble flap Affected functions:
- Engine output
------------------------------------------------
Test 1: iagnosis of tumble flap Intake manifold : pen circuit of sensor lines / Tumble flap shafts stick in the nonactuated position.
1. Diagnosis of tumble flap Intake manifold : Open circuit of sensor lines / Tumble flap shafts stick in the nonactuated position. Warning!Communication ith EC reuired.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0515
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0515
3/5 (Left O2 sensor, after TWC AT) : Aging (P0159)
Possible cause:
- / (Left sensor, after TC KAT) Affected functions:
- Engine diagnosis - Ehaust system
------------------------------------------------
Test 1: Check component / (Left sensor, after TC KAT).
1. Check component 3/5 (Left O2 sensor, after TWC AT). Warning!Communication ith EC reuired.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0515
3/5 (Left O2 sensor, after TWC AT) : Aging (P0159)
Possible cause:
- / (Left sensor, after TC KAT) Affected functions:
- Engine diagnosis - Ehaust system
------------------------------------------------
Test 1: Check component / (Left sensor, after TC KAT).
1. Check component 3/5 (Left O2 sensor, after TWC AT). Warning!Communication ith EC reuired.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0514 G3/5 (Left O2 sensor, after TWC [KAT]) : Aging (P2273)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0514
G3/5 (Left O2 sensor, after TWC [KAT]) : Aging (P2273)
Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
1. Check component G3/5 (Left O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0514
G3/5 (Left O2 sensor, after TWC [KAT]) : Aging (P2273)
Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
1. Check component G3/5 (Left O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0510 G3/6 (Right O2 sensor, after TWC [KAT]) : Aging (P2271)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0510
G3/6 (Right O2 sensor, after TWC [KAT]) : Aging (P2271)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0510
G3/6 (Right O2 sensor, after TWC [KAT]) : Aging (P2271)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0511 G3/6 (Right O2 sensor, after TWC [KAT]) : Aging (P0139)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0511
G3/6 (Right O2 sensor, after TWC [KAT]) : Aging (P0139)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0511
G3/6 (Right O2 sensor, after TWC [KAT]) : Aging (P0139)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component G3/6 (Right O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0513 G3/5 (Left O2 sensor, after TWC [KAT]) : Aging (P2272)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0513
G3/5 (Left O2 sensor, after TWC [KAT]) : Aging (P2272)
Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
1. Check component G3/5 (Left O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0513
G3/5 (Left O2 sensor, after TWC [KAT]) : Aging (P2272)
Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
1. Check component G3/5 (Left O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0493 The knock control has a malfunction. (P0324)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0493
The knock control has a malfunction. (P0324)
Possible cause:
- Test control unit. Affected functions:
- Engine running
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0493
The knock control has a malfunction. (P0324)
Possible cause:
- Test control unit. Affected functions:
- Engine running
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0494 The knock control has a malfunction. (P0324)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0494
The knock control has a malfunction. (P0324)
Possible cause:
- Test control unit. Affected functions:
- Engine running
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0494
The knock control has a malfunction. (P0324)
Possible cause:
- Test control unit. Affected functions:
- Engine running
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0490 Relay 'Fuel pump'
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0490
Relay 'Fuel pump'
Possible cause:
- N10/2kA (Fuel pump relay) Affected functions:
- Engine start
------------------------------------------------
Test 1: Check component Relay 'Fuel pump'.
1. Check component Relay 'Fuel pump'. Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test sequence
- Switch off ignition. - Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit). - Measure direct current with multimeter between sockets [F.4] 100 and [F.17] 113 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0,1...0,3] A
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- Component M3 (Fuel pump assembly) is switched on and is heard to run. Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/2kA (Fuel pump relay) - N10/2kA (Fuel pump relay) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0490
Relay 'Fuel pump'
Possible cause:
- N10/2kA (Fuel pump relay) Affected functions:
- Engine start
------------------------------------------------
Test 1: Check component Relay 'Fuel pump'.
1. Check component Relay 'Fuel pump'. Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test sequence
- Switch off ignition. - Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit). - Measure direct current with multimeter between sockets [F.4] 100 and [F.17] 113 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0,1...0,3] A
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- Component M3 (Fuel pump assembly) is switched on and is heard to run. Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/2kA (Fuel pump relay) - N10/2kA (Fuel pump relay) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0491 Relay 'Fuel pump'
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0491
Relay 'Fuel pump'
Possible cause:
- N10/2kA (Fuel pump relay) Affected functions:
- Engine start
------------------------------------------------
Test 1: Check component Relay 'Fuel pump'.
1. Check component Relay 'Fuel pump'. Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test sequence
- Switch off ignition. - Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit). - Measure direct current with multimeter between sockets [F.4] 100 and [F.17] 113 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0,1...0,3] A
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- Component M3 (Fuel pump assembly) is switched on and is heard to run. Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/2kA (Fuel pump relay) - N10/2kA (Fuel pump relay) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0491
Relay 'Fuel pump'
Possible cause:
- N10/2kA (Fuel pump relay) Affected functions:
- Engine start
------------------------------------------------
Test 1: Check component Relay 'Fuel pump'.
1. Check component Relay 'Fuel pump'. Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test sequence
- Switch off ignition. - Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit). - Measure direct current with multimeter between sockets [F.4] 100 and [F.17] 113 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0,1...0,3] A
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- Component M3 (Fuel pump assembly) is switched on and is heard to run. Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/2kA (Fuel pump relay) - N10/2kA (Fuel pump relay) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0485
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0485
Power output limited because of excessively high temperature of coolant
Possible cause:
- Coolant temperature Affected functions:
- Engine output
------------------------------------------------
Test 1: Power output limited because of excessively high temperature of coolant
1. Power output limited because of excessively high temperature of coolant Power output limited because of excessively high temperature of coolant
Possible cause and remedy
- Inspect radiator for soiling and clean, if necessary. - Test thermostat. - Electric suction fan - Ambient temperature End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0485
Power output limited because of excessively high temperature of coolant
Possible cause:
- Coolant temperature Affected functions:
- Engine output
------------------------------------------------
Test 1: Power output limited because of excessively high temperature of coolant
1. Power output limited because of excessively high temperature of coolant Power output limited because of excessively high temperature of coolant
Possible cause and remedy
- Inspect radiator for soiling and clean, if necessary. - Test thermostat. - Electric suction fan - Ambient temperature End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0489 Relay 'Fuel pump'
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0489
Relay 'Fuel pump'
Possible cause:
- N10/2kA (Fuel pump relay) Affected functions:
- Engine start
------------------------------------------------
Test 1: Check component Relay 'Fuel pump'.
1. Check component Relay 'Fuel pump'. Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test sequence
- Switch off ignition. - Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit). - Measure direct current with multimeter between sockets [F.4] 100 and [F.17] 113 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0,1...0,3] A
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- Component M3 (Fuel pump assembly) is switched on and is heard to run. Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/2kA (Fuel pump relay) - N10/2kA (Fuel pump relay) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0489
Relay 'Fuel pump'
Possible cause:
- N10/2kA (Fuel pump relay) Affected functions:
- Engine start
------------------------------------------------
Test 1: Check component Relay 'Fuel pump'.
1. Check component Relay 'Fuel pump'. Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test sequence
- Switch off ignition. - Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit). - Measure direct current with multimeter between sockets [F.4] 100 and [F.17] 113 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0,1...0,3] A
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- Component M3 (Fuel pump assembly) is switched on and is heard to run. Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/2kA (Fuel pump relay) - N10/2kA (Fuel pump relay) End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0478 This fault can be ignored and erased.
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0478
This fault can be ignored and erased.
Possible cause:
- This fault can be ignored and erased. Affected functions:
- Engine cooling
------------------------------------------------
Test 1: This fault can be ignored and erased.
1. This fault can be ignored and erased. Note:This fault can be ignored and erased.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0478
This fault can be ignored and erased.
Possible cause:
- This fault can be ignored and erased. Affected functions:
- Engine cooling
------------------------------------------------
Test 1: This fault can be ignored and erased.
1. This fault can be ignored and erased. Note:This fault can be ignored and erased.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0479 This fault can be ignored and erased.
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0479
This fault can be ignored and erased.
Possible cause:
- This fault can be ignored and erased. Affected functions:
- Engine cooling
------------------------------------------------
Test 1: This fault can be ignored and erased.
1. This fault can be ignored and erased. Note:This fault can be ignored and erased.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0479
This fault can be ignored and erased.
Possible cause:
- This fault can be ignored and erased. Affected functions:
- Engine cooling
------------------------------------------------
Test 1: This fault can be ignored and erased.
1. This fault can be ignored and erased. Note:This fault can be ignored and erased.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0496
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0496
The knock control has a malfunction. (P0324)
Possible cause:
- Test control unit. Affected functions:
- Engine running
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0496
The knock control has a malfunction. (P0324)
Possible cause:
- Test control unit. Affected functions:
- Engine running
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0500 The knock control has a malfunction. (P0324)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0500
The knock control has a malfunction. (P0324)
Possible cause:
- Test control unit. Affected functions:
- Engine running
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0500
The knock control has a malfunction. (P0324)
Possible cause:
- Test control unit. Affected functions:
- Engine running
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0452
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0452
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064D)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0452
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064D)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0450
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0450
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064D)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0450
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064D)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0451
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0451
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064D)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0451
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064D)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0449
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0449
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064D)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0449
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064D)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0447
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0447
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Open circuit (P0050)
Possible cause:
- G3/3 (Left O2 sensor, before TWC [KAT]) - N10/1kI (Circuit 87 relay, engine) - N10/1f57 (Fuse 57) - Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 2: Arrangement of fuses
Test 3: Power supply
Test 4: Check component G3/3 (Left O2 sensor, before TWC [KAT]).
Test 5: Check component G3/3 (Left O2 sensor, before TWC [KAT]).
1. Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 1.1: Test voltage supply of circuit 87. ( Check using actual value )
Test 1.2: Test voltage supply of circuit 30.
Test 1.3: Test voltage supply of circuit 87.
Test 1.4: Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test 1.5: Test voltage supply of circuit 15.
1.1. Test voltage supply of circuit 87. ( Check using actual value ) Test prerequisite
- The voltage test at component G1 (Battery) is o.k. - Ignition ON Status of relevant actual value: - Battery voltage:Warning! Communication with ECU required. Specified value
- Battery voltage[11.0 ... 15.0] V Question:Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Test voltage supply of circuit 30. - Test voltage supply of circuit 87.
1.2. Test voltage supply of circuit 30. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42) - Lines End of test
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 3
1.3. Test voltage supply of circuit 87. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 87.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126-pole socket box tester. - Switch on ignition. Specified value
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 4
- Voltage[11.0...15.0] V Question
- Are the measurement values OK?
YES The measurement values are OK.Further possible causes of fault
- Test voltage supply of circuit 30.
NO The measurement values are not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - N10/1f44 (Fuse 44) - N10/1kI (Circuit 87 relay, engine) - Lines - N10/1 (Driver-side SAM control unit with fuse and relay module) End of test
1.4. Test current consumption of component N10/1kR (Circuit 87 relay, engine). Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 5
Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test sequence
- Measure direct current with multimeter between sockets [F.4] 100 and [F.27] 123 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0.1...0.3] A Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/1kR (Circuit 87 relay, engine) - N10/1kR (Circuit 87 relay, engine) End of test
1.5. Test voltage supply of circuit 15. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 6
Test voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52) - Lines End of test
2. Arrangement of fuses Figure legend/figure
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 7
- N10/1 (Driver-side SAM control unit with fuse and relay module) Fuses
- FuseF43-F67 Relays
- I =N10/1kI (Circuit 87 relay, engine) - K =N10/1kK (Circuit 87 relay, chassis) - L =N10/1kL (Starter relay) - M =N10/1kM (SEQ [ASG] pump control relay) - N =N10/1kN (Circuit 15 relay) - O =N10/1kO (FAN relay module) - P =N10/1kP (Circuit 15R relay) - R =N10/1kR (Air pump or oil cooler fan relay)
3. Power supply Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
4. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
5. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0447
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Open circuit (P0050)
Possible cause:
- G3/3 (Left O2 sensor, before TWC [KAT]) - N10/1kI (Circuit 87 relay, engine) - N10/1f57 (Fuse 57) - Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 2: Arrangement of fuses
Test 3: Power supply
Test 4: Check component G3/3 (Left O2 sensor, before TWC [KAT]).
Test 5: Check component G3/3 (Left O2 sensor, before TWC [KAT]).
1. Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 1.1: Test voltage supply of circuit 87. ( Check using actual value )
Test 1.2: Test voltage supply of circuit 30.
Test 1.3: Test voltage supply of circuit 87.
Test 1.4: Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test 1.5: Test voltage supply of circuit 15.
1.1. Test voltage supply of circuit 87. ( Check using actual value ) Test prerequisite
- The voltage test at component G1 (Battery) is o.k. - Ignition ON Status of relevant actual value: - Battery voltage:Warning! Communication with ECU required. Specified value
- Battery voltage[11.0 ... 15.0] V Question:Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Test voltage supply of circuit 30. - Test voltage supply of circuit 87.
1.2. Test voltage supply of circuit 30. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42) - Lines End of test
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 3
1.3. Test voltage supply of circuit 87. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 87.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126-pole socket box tester. - Switch on ignition. Specified value
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 4
- Voltage[11.0...15.0] V Question
- Are the measurement values OK?
YES The measurement values are OK.Further possible causes of fault
- Test voltage supply of circuit 30.
NO The measurement values are not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - N10/1f44 (Fuse 44) - N10/1kI (Circuit 87 relay, engine) - Lines - N10/1 (Driver-side SAM control unit with fuse and relay module) End of test
1.4. Test current consumption of component N10/1kR (Circuit 87 relay, engine). Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 5
Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test sequence
- Measure direct current with multimeter between sockets [F.4] 100 and [F.27] 123 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0.1...0.3] A Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/1kR (Circuit 87 relay, engine) - N10/1kR (Circuit 87 relay, engine) End of test
1.5. Test voltage supply of circuit 15. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 6
Test voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52) - Lines End of test
2. Arrangement of fuses Figure legend/figure
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 7
- N10/1 (Driver-side SAM control unit with fuse and relay module) Fuses
- FuseF43-F67 Relays
- I =N10/1kI (Circuit 87 relay, engine) - K =N10/1kK (Circuit 87 relay, chassis) - L =N10/1kL (Starter relay) - M =N10/1kM (SEQ [ASG] pump control relay) - N =N10/1kN (Circuit 15 relay) - O =N10/1kO (FAN relay module) - P =N10/1kP (Circuit 15R relay) - R =N10/1kR (Air pump or oil cooler fan relay)
3. Power supply Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
4. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
5. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0456
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0456
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0456
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0477 This fault can be ignored and erased.
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0477
This fault can be ignored and erased.
Possible cause:
- This fault can be ignored and erased. Affected functions:
- Engine cooling
------------------------------------------------
Test 1: This fault can be ignored and erased.
1. This fault can be ignored and erased. Note:This fault can be ignored and erased.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0477
This fault can be ignored and erased.
Possible cause:
- This fault can be ignored and erased. Affected functions:
- Engine cooling
------------------------------------------------
Test 1: This fault can be ignored and erased.
1. This fault can be ignored and erased. Note:This fault can be ignored and erased.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0454
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0454
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0454
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0455
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0455
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0455
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0453
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0453
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0453
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0443
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0443
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Open circuit (P0030)
Test 1: Power supply
Test 2: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
Test 3: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
Test 4: Possible cause:
- G3/4 (Right O2 sensor, before TWC [KAT]) - Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
1. Power supply Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
2. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
3. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
4. No further information available.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0443
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Open circuit (P0030)
Test 1: Power supply
Test 2: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
Test 3: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
Test 4: Possible cause:
- G3/4 (Right O2 sensor, before TWC [KAT]) - Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
1. Power supply Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
2. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
3. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
4. No further information available.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0445
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0445
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Short circuit to positive (P0052)
Possible cause:
- G3/3 (Left O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/3 (Left O2 sensor, before TWC [KAT]).
1. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0445
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Short circuit to positive (P0052)
Possible cause:
- G3/3 (Left O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/3 (Left O2 sensor, before TWC [KAT]).
1. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0441
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0441
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Short circuit to positive (P0032)
Possible cause:
- G3/4 (Right O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
1. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0441
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Short circuit to positive (P0032)
Possible cause:
- G3/4 (Right O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
1. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0442
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0442
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Short circuit to ground (P0031)
Possible cause:
- G3/4 (Right O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
1. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0442
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Short circuit to ground (P0031)
Possible cause:
- G3/4 (Right O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
1. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0439
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0439
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P0607)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0439
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P0607)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control unit). Read coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0440
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0440
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Heating capacity is too low. (P0155)
Possible cause:
- G3/3 (Left O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/3 (Left O2 sensor, before TWC [KAT]).
1. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0440
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Heating capacity is too low. (P0155)
Possible cause:
- G3/3 (Left O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/3 (Left O2 sensor, before TWC [KAT]).
1. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0446 Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Short circuit to ground (P0051)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0446
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Short circuit to ground (P0051)
Possible cause:
- G3/3 (eft O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/3 (eft O2 sensor, before TWC [KAT]).
1. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0446
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Short circuit to ground (P0051)
Possible cause:
- G3/3 (eft O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/3 (eft O2 sensor, before TWC [KAT]).
1. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0438
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0438
This fault can be ignored and erased.
Possible cause:
- This fault can be ignored and erased. Affected functions:
- Engine diagnosis
------------------------------------------------
Test 1: This fault can be ignored and erased.
1. This fault can be ignored and erased. Note:This fault can be ignored and erased.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0438
This fault can be ignored and erased.
Possible cause:
- This fault can be ignored and erased. Affected functions:
- Engine diagnosis
------------------------------------------------
Test 1: This fault can be ignored and erased.
1. This fault can be ignored and erased. Note:This fault can be ignored and erased.
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0437
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0437
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Short circuit to positie / Resistance of sensor heater too low (P0155)
Possible cause:
- G3/3 (eft O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/3 (eft O2 sensor, before TWC [KAT]).
1. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0437
Heating of component G3/3 (Left O2 sensor, before TWC [KAT]) : Short circuit to positie / Resistance of sensor heater too low (P0155)
Possible cause:
- G3/3 (eft O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/3 (eft O2 sensor, before TWC [KAT]).
1. Check component G3/3 (Left O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0436
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0436
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Heating capacity is too low. (P0135)
Possible cause:
- G3/4 (Right O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
Test 2: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
1. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
2. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0436
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Heating capacity is too low. (P0135)
Possible cause:
- G3/4 (Right O2 sensor, before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
Test 2: Check component G3/4 (Right O2 sensor, before TWC [KAT]).
1. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
2. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.
For MB C209 Pair Set of 2 Front 345mm Vented UV Coated Disc Brake Rotors Brembo
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A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0433 eating of component 3/4 (Right O2 sensor, before TWC AT) : Short circuit to positive / Resistance of sensor heater too lo (P0135)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0433
eating of component 3/4 (Right O2 sensor, before TWC AT) : Short circuit to positive / Resistance of sensor heater too lo (P0135)
Possible cause:
- 3/4 (Right O2 sensor before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component 3/4 (Right O2 sensor before TWC [KAT]).
Test 2: Check component 3/4 (Right O2 sensor before TWC [KAT]).
1. Check component 3/4 (Right O2 sensor, before TWC AT). Warning!Communication ith EC reuired.
2. Check component 3/4 (Right O2 sensor, before TWC AT). Warning!Communication ith EC reuired.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0433
eating of component 3/4 (Right O2 sensor, before TWC AT) : Short circuit to positive / Resistance of sensor heater too lo (P0135)
Possible cause:
- 3/4 (Right O2 sensor before TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component 3/4 (Right O2 sensor before TWC [KAT]).
Test 2: Check component 3/4 (Right O2 sensor before TWC [KAT]).
1. Check component 3/4 (Right O2 sensor, before TWC AT). Warning!Communication ith EC reuired.
2. Check component 3/4 (Right O2 sensor, before TWC AT). Warning!Communication ith EC reuired.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0435 The electronic analysis system for the O2 sensor in the engine control unit is defective. (P0607)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0435
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P0607)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - eread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs replace component N3/10 (ME-SFI [ME] control unit). ead coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0435
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P0607)
Possible cause:
- Test control unit. Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Test control unit.
1. Test control unit. Test control unit.
Possible cause and remedy
- Erase fault memory and start engine. - eread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs replace component N3/10 (ME-SFI [ME] control unit). ead coding and transfer to the new control unit.End of test
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0430 eating of component 3/5 (Left O2 sensor, after TWC [AT]) : Short circuit to ground (P0057)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0430
eating of component 3/5 (Left O2 sensor, after TWC [AT]) : Short circuit to ground (P0057)
Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
1. Check component 3/5 (Left O2 sensor, after TWC [AT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0430
eating of component 3/5 (Left O2 sensor, after TWC [AT]) : Short circuit to ground (P0057)
Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
1. Check component 3/5 (Left O2 sensor, after TWC [AT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0431 eating of component 3/5 (Left O2 sensor, after TWC [AT]) : Open circuit (P0056)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0431
eating of component 3/5 (Left O2 sensor, after TWC [AT]) : Open circuit (P0056)
Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) - N10/1kI (Circuit 87 relay, engine) - N10/1f57 (Fuse 57) - Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 2: Arrangement of fuses
Test 3: Power supply
Test 4: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
1. Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 1.1: Test voltage supply of circuit 87. ( Check using actual value )
Test 1.2: Test voltage supply of circuit 30.
Test 1.3: Test voltage supply of circuit 87.
Test 1.4: Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test 1.5: Test voltage supply of circuit 15.
1.1. Test voltage supply of circuit 87. ( Check using actual value ) Test prerequisite
- The voltage test at component G1 (Battery) is o.k. - Ignition ON Status of relevant actual value: - Battery voltage:Warning! Communication with ECU required. Specified value
- Battery voltage[11.0 ... 15.0] V Question:Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Test voltage supply of circuit 30. - Test voltage supply of circuit 87.
1.2. Test voltage supply of circuit 30. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42) - Lines End of test
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 3
1.3. Test voltage supply of circuit 87. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 87.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126-pole socket box tester. - Switch on ignition. Specified value
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 4
- Voltage[11.0...15.0] V Question
- Are the measurement values OK?
YES The measurement values are OK.Further possible causes of fault
- Test voltage supply of circuit 30.
NO The measurement values are not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - N10/1f44 (Fuse 44) - N10/1kI (Circuit 87 relay, engine) - Lines - N10/1 (Driver-side SAM control unit with fuse and relay module) End of test
1.4. Test current consumption of component N10/1kR (Circuit 87 relay, engine). Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 5
Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test sequence
- Measure direct current with multimeter between sockets [F.4] 100 and [F.27] 123 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0.1...0.3] A Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/1kR (Circuit 87 relay, engine) - N10/1kR (Circuit 87 relay, engine) End of test
1.5. Test voltage supply of circuit 15. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 6
Test voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52) - Lines End of test
2. Arrangement of fuses Figure legend/figure
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 7
- N10/1 (Driver-side SAM control unit with fuse and relay module) Fuses
- FuseF43-F67 Relays
- I =N10/1kI (Circuit 87 relay, engine) - K =N10/1kK (Circuit 87 relay, chassis) - L =N10/1kL (Starter relay) - M =N10/1kM (SEQ [ASG] pump control relay) - N =N10/1kN (Circuit 15 relay) - O =N10/1kO (FAN relay module) - P =N10/1kP (Circuit 15R relay) - R =N10/1kR (Air pump or oil cooler fan relay)
3. Power supply Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
4. Check component 3/5 (Left O2 sensor, after TWC [AT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0431
eating of component 3/5 (Left O2 sensor, after TWC [AT]) : Open circuit (P0056)
Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) - N10/1kI (Circuit 87 relay, engine) - N10/1f57 (Fuse 57) - Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 2: Arrangement of fuses
Test 3: Power supply
Test 4: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
1. Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 1.1: Test voltage supply of circuit 87. ( Check using actual value )
Test 1.2: Test voltage supply of circuit 30.
Test 1.3: Test voltage supply of circuit 87.
Test 1.4: Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test 1.5: Test voltage supply of circuit 15.
1.1. Test voltage supply of circuit 87. ( Check using actual value ) Test prerequisite
- The voltage test at component G1 (Battery) is o.k. - Ignition ON Status of relevant actual value: - Battery voltage:Warning! Communication with ECU required. Specified value
- Battery voltage[11.0 ... 15.0] V Question:Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Test voltage supply of circuit 30. - Test voltage supply of circuit 87.
1.2. Test voltage supply of circuit 30. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42) - Lines End of test
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 3
1.3. Test voltage supply of circuit 87. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 87.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126-pole socket box tester. - Switch on ignition. Specified value
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 4
- Voltage[11.0...15.0] V Question
- Are the measurement values OK?
YES The measurement values are OK.Further possible causes of fault
- Test voltage supply of circuit 30.
NO The measurement values are not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - N10/1f44 (Fuse 44) - N10/1kI (Circuit 87 relay, engine) - Lines - N10/1 (Driver-side SAM control unit with fuse and relay module) End of test
1.4. Test current consumption of component N10/1kR (Circuit 87 relay, engine). Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 5
Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test sequence
- Measure direct current with multimeter between sockets [F.4] 100 and [F.27] 123 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0.1...0.3] A Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/1kR (Circuit 87 relay, engine) - N10/1kR (Circuit 87 relay, engine) End of test
1.5. Test voltage supply of circuit 15. Connect socket box to component N3/10 (ME-SFI [ME] control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 6
Test voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester. - Switch on ignition. Specified value
- Voltage[11.0...15.0] V Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52) - Lines End of test
2. Arrangement of fuses Figure legend/figure
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 7
- N10/1 (Driver-side SAM control unit with fuse and relay module) Fuses
- FuseF43-F67 Relays
- I =N10/1kI (Circuit 87 relay, engine) - K =N10/1kK (Circuit 87 relay, chassis) - L =N10/1kL (Starter relay) - M =N10/1kM (SEQ [ASG] pump control relay) - N =N10/1kN (Circuit 15 relay) - O =N10/1kO (FAN relay module) - P =N10/1kP (Circuit 15R relay) - R =N10/1kR (Air pump or oil cooler fan relay)
3. Power supply Voltage supply via component Z7/36 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
4. Check component 3/5 (Left O2 sensor, after TWC [AT]). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0427 eating of component 36 (ight O2 sensor, after TWC AT) : Open circuit (P0036)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0427
eating of component 36 (ight O2 sensor, after TWC AT) : Open circuit (P0036)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) - N10/1kI (Circuit 87 relay, engine) - N10/1f57 (Fuse 57) - oltage supply via component 7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 2: Arrangement of fuses
Test 3: Power supply
Test 4: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check power supply of component N310 (ME-SFI ME control unit).
Test 1.1: Test voltage supply of circuit 87. ( Check using actual value )
Test 1.2: Test voltage supply of circuit 30.
Test 1.3: Test voltage supply of circuit 87.
Test 1.4: Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test 1.5: Test voltage supply of circuit 15.
1.1. Test voltage supply of circuit 87. ( Check using actual value ) Test prerequisite
- The voltage test at component G1 (Battery) is o.k. - Ignition ON Status of relevant actual value: - Battery voltage:Warning! Communication with ECU required. Specified value
- Battery voltage[11.0 ... 15.0] Question:Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Test voltage supply of circuit 30. - Test voltage supply of circuit 87.
1.2. Test voltage supply of circuit 30. Connect socket bo to component N310 (ME-SFI ME control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester. - Switch on ignition. Specified value
- oltage[11.0...15.0] Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42) - Lines End of test
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 3
1.3. Test voltage supply of circuit 87. Connect socket bo to component N310 (ME-SFI ME control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 87.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126-pole socket box tester. - Switch on ignition. Specified value
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 4
- oltage[11.0...15.0] Question
- Are the measurement values OK?
YES The measurement values are OK.Further possible causes of fault
- Test voltage supply of circuit 30.
NO The measurement values are not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - N10/1f44 (Fuse 44) - N10/1kI (Circuit 87 relay, engine) - Lines - N10/1 (river-side SAM control unit with fuse and relay module) End of test
1.4. Test current consumption of component N101k (Circuit 87 relay, engine). Connect socket bo to component N310 (ME-SFI ME control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 5
Test current consumption of component N101k (Circuit 87 relay, engine).
Test sequence
- Measure direct current with multimeter between sockets [F.4] 100 and [F.27] 123 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0.1...0.3] A Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/1kR (Circuit 87 relay, engine) - N10/1kR (Circuit 87 relay, engine) End of test
1.5. Test voltage supply of circuit 15. Connect socket bo to component N310 (ME-SFI ME control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 6
Test voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester. - Switch on ignition. Specified value
- oltage[11.0...15.0] Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52) - Lines End of test
2. Arrangement of fuses Figure legend/figure
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 7
- N10/1 (river-side SAM control unit with fuse and relay module) Fuses
- FuseF43-F67 Relays
- I N10/1kI (Circuit 87 relay, engine) - K N10/1kK (Circuit 87 relay, chassis) - L N10/1kL (Starter relay) - M N10/1kM (SEQ [ASG] pump control relay) - N N10/1kN (Circuit 15 relay) - O N10/1kO (FAN relay module) - P N10/1kP (Circuit 15R relay) - R N10/1kR (Air pump or oil cooler fan relay)
3. Power supply Voltage supply via component 736 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
4. Check component 36 (ight O2 sensor, after TWC AT). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0427
eating of component 36 (ight O2 sensor, after TWC AT) : Open circuit (P0036)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) - N10/1kI (Circuit 87 relay, engine) - N10/1f57 (Fuse 57) - oltage supply via component 7/36 (Circuit 87 M2e connector sleeve) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check power supply of component N3/10 (ME-SFI [ME] control unit).
Test 2: Arrangement of fuses
Test 3: Power supply
Test 4: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check power supply of component N310 (ME-SFI ME control unit).
Test 1.1: Test voltage supply of circuit 87. ( Check using actual value )
Test 1.2: Test voltage supply of circuit 30.
Test 1.3: Test voltage supply of circuit 87.
Test 1.4: Test current consumption of component N10/1kR (Circuit 87 relay, engine).
Test 1.5: Test voltage supply of circuit 15.
1.1. Test voltage supply of circuit 87. ( Check using actual value ) Test prerequisite
- The voltage test at component G1 (Battery) is o.k. - Ignition ON Status of relevant actual value: - Battery voltage:Warning! Communication with ECU required. Specified value
- Battery voltage[11.0 ... 15.0] Question:Is the actual value o.k.?
YES The actual value is okay.End of test
NO The actual value is not o.k.Possible cause and remedy
- Test voltage supply of circuit 30. - Test voltage supply of circuit 87.
1.2. Test voltage supply of circuit 30. Connect socket bo to component N310 (ME-SFI ME control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 2
- 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 30.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.16 ] 112 of the 35-pole socket box tester. - Switch on ignition. Specified value
- oltage[11.0...15.0] Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- F34f42 (Fuse 42) - Lines End of test
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 3
1.3. Test voltage supply of circuit 87. Connect socket bo to component N310 (ME-SFI ME control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
Test voltage supply of circuit 87.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [F.3] 99 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.4 ] 100 and [ F.5 ] 101 of the 126-pole socket box tester. - Measure direct voltage with multimeter between sockets [ F.6 ] 102 and [ F.5 ] 101 of the 126-pole socket box tester. - Switch on ignition. Specified value
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 4
- oltage[11.0...15.0] Question
- Are the measurement values OK?
YES The measurement values are OK.Further possible causes of fault
- Test voltage supply of circuit 30.
NO The measurement values are not OK.Possible cause and remedy
- N10/1f43 (Fuse 43) - N10/1f44 (Fuse 44) - N10/1kI (Circuit 87 relay, engine) - Lines - N10/1 (river-side SAM control unit with fuse and relay module) End of test
1.4. Test current consumption of component N101k (Circuit 87 relay, engine). Connect socket bo to component N310 (ME-SFI ME control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 5
Test current consumption of component N101k (Circuit 87 relay, engine).
Test sequence
- Measure direct current with multimeter between sockets [F.4] 100 and [F.27] 123 of the 126-pole socket box tester. - Switch on ignition. Specified value
- Amperage[0.1...0.3] A Question
- Is the measurement value OK?
YES The test was okay.End of test
NO The measurement value is not OK.Possible cause and remedy
- Lines to component N10/1kR (Circuit 87 relay, engine) - N10/1kR (Circuit 87 relay, engine) End of test
1.5. Test voltage supply of circuit 15. Connect socket bo to component N310 (ME-SFI ME control unit).
Figure legend
- A -ConnectionTest cable 35-pin socket box - 001 -Sockets of component N3/10 (ME-SFI [ME] control unit) - 05 -35-pin socket box - 050 -126-pin socket box - 108 -Test cable 266 589 01 63 00 - N3/10 (ME-SFI [ME] control unit) - II 1-63ConnectionTest cable - III 64-126ConnectionTest cable Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050). Continue to test with button F2
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 6
Test voltage supply of circuit 15.
Test sequence
- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester. - Switch on ignition. Specified value
- oltage[11.0...15.0] Question
- Is the measurement value OK?
YES The measurement value is OK.End of test
NO The measurement value is not OK.Possible cause and remedy
- N10/1f52 (Fuse 52) - Lines End of test
2. Arrangement of fuses Figure legend/figure
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 7
- N10/1 (river-side SAM control unit with fuse and relay module) Fuses
- FuseF43-F67 Relays
- I N10/1kI (Circuit 87 relay, engine) - K N10/1kK (Circuit 87 relay, chassis) - L N10/1kL (Starter relay) - M N10/1kM (SEQ [ASG] pump control relay) - N N10/1kN (Circuit 15 relay) - O N10/1kO (FAN relay module) - P N10/1kP (Circuit 15R relay) - R N10/1kR (Air pump or oil cooler fan relay)
3. Power supply Voltage supply via component 736 (Circuit 87 M2e connector sleeve)
Possible cause and remedy
- Check voltage supply according to wiring diagram.
4. Check component 36 (ight O2 sensor, after TWC AT). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0429 eating of component 35 (Left O2 sensor, after TWC AT) : Short circuit to positive (P0058)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0429
eating of component 35 (Left O2 sensor, after TWC AT) : Short circuit to positive (P0058)
Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
Test 2: Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
1. Check component 35 (Left O2 sensor, after TWC AT). Warning!Communication with ECU required.
2. No further information available.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0429
eating of component 35 (Left O2 sensor, after TWC AT) : Short circuit to positive (P0058)
Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]).
Test 2: Possible cause:
- G3/5 (Left O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
1. Check component 35 (Left O2 sensor, after TWC AT). Warning!Communication with ECU required.
2. No further information available.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0425 eating of component 3/6 (ight O2 sensor, after TWC AT) : Short circuit to positie (P0141)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0425
eating of component 3/6 (ight O2 sensor, after TWC AT) : Short circuit to positie (P0141)
Possible cause:
- 3/6 (ight O2 sensor after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component 3/6 (ight O2 sensor after TWC [KAT]).
1. Check component 3/6 (ight O2 sensor, after TWC AT). Warning!Communication ith EC reuired.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0425
eating of component 3/6 (ight O2 sensor, after TWC AT) : Short circuit to positie (P0141)
Possible cause:
- 3/6 (ight O2 sensor after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component 3/6 (ight O2 sensor after TWC [KAT]).
1. Check component 3/6 (ight O2 sensor, after TWC AT). Warning!Communication ith EC reuired.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0426 eating of component 36 (ight O2 sensor, after TWC AT) : Short circuit to ground (P0037)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0426
eating of component 36 (ight O2 sensor, after TWC AT) : Short circuit to ground (P0037)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component 36 (ight O2 sensor, after TWC AT). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0426
eating of component 36 (ight O2 sensor, after TWC AT) : Short circuit to ground (P0037)
Possible cause:
- G3/6 (Right O2 sensor, after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component G3/6 (Right O2 sensor, after TWC [KAT]).
1. Check component 36 (ight O2 sensor, after TWC AT). Warning!Communication with ECU required.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0420 eating of component 3/6 (Right O2 sensor, after TWC AT) : eating capacity is too lo. (P0141)
2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0420
eating of component 3/6 (Right O2 sensor, after TWC AT) : eating capacity is too lo. (P0141)
Possible cause:
- 3/6 (Right O2 sensor after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component 3/6 (Right O2 sensor after TWC [KAT]).
Test 2: Check component 3/6 (Right O2 sensor after TWC [KAT]).
1. Check component 3/6 (Right O2 sensor, after TWC AT). Warning!Communication ith EC reuired.
2. Check component 3/6 (Right O2 sensor, after TWC AT). Warning!Communication ith EC reuired.
A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts 0420
eating of component 3/6 (Right O2 sensor, after TWC AT) : eating capacity is too lo. (P0141)
Possible cause:
- 3/6 (Right O2 sensor after TWC [KAT]) Affected functions:
- Engine diagnosis - Exhaust system
------------------------------------------------
Test 1: Check component 3/6 (Right O2 sensor after TWC [KAT]).
Test 2: Check component 3/6 (Right O2 sensor after TWC [KAT]).
1. Check component 3/6 (Right O2 sensor, after TWC AT). Warning!Communication ith EC reuired.
2. Check component 3/6 (Right O2 sensor, after TWC AT). Warning!Communication ith EC reuired.
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