2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 782

- Switch off ignition.

- Remove fuel rail together with component Y62 (Fuel injectors).

- Connect socket box (35-pin) to component N3/10 (ME-SFI [ME] control unit).

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

- Insert bridge.:

- Bridge between socket (F.2) 98 of the 35-pole socket box tester and socket (F.17) 113 of the 126-pole socket box tester.

- Switch on ignition.

- Component M3 (Fuel pump) runs.

- Hold component Y62 (Fuel injectors) in a vessel and briefly operate manually with shop-made test cable set at sockets 5 and 9 of the 35-pin

socket box.

Specified value

- Fuel injectors should eject fuel uniformly.

Question

- Was the test o.k.?

YES

The test was okay.End of test

NO

The test was not okay.Possible cause and remedy

- Y62 (Fuel injectors)

End of test

1.1.6. Check exhaust system for leaks.

Possible cause of fault

- Leaks

Possible remedy

- Check entire exhaust system for leaks.

1049

Lambda control, before TWC left : Lambda control is at rich stop. (P0175)

Possible cause:

- Lambda control is at rich stop.