Thursday, March 28, 2019

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 757


NO



The measurement value is not OK.Possible cause and remedy



- In the event of slow pressure drop:Check component Y62 (Fuel injectors).



- In the event of rapid pressure drop:Check valve in component M3 (Fuel pump)



NO



The measurement value is not OK.Possible cause and remedy



- Test current consumption of component M3 (Fuel pump).



- Fuel filter with integrated pressure regulator



NO



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



Figure legend



- 043Pressure gage



- 055Measuring beaker



- 069Pressure hose(119 589 04 63 00)



Warning!On USA vehicles with code 917 ( PZEV ), the sealing ring of the service valve for the protective cap must be replaced.Test sequence



- Switch off ignition.



- Connect test pressure gauge.



- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).