Thursday, November 19, 2020

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 520


- 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



- 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



0490



Relay 'Fuel pump'



Possible cause:



- N10/2kA (Fuel pump relay)



Affected functions:



- Engine start



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