Wednesday, April 22, 2020

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 533


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



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.



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.



0551



G3/6 (Right O2 sensor, after TWC [KAT]) : Discontinuity of signal line (P0140)