2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 724

0924

Control module has an internal error. (P0606)

Possible cause:

- Test control unit.

Affected functions:

- Engine diagnosis

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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

0940

S9/1 (Stop lamp switch)

Possible cause:

- S9/1 (Stop lamp switch)

Affected functions:

- Stop lamp

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Test 1: Check component S9/1 (Stop lamp switch).

1. Check component S9/1 (Stop lamp switch).

Test sequence

- Switch on ignition.

Status of relevant actual value:

- Stop lamp switch:Warning!

Specified value

- Switch S9/1 (Stop lamp switch) operated:OPERATED

- Switch S9/1 (Stop lamp switch) not operated:NOT OPERATED

The actual value is supplied through CAN bus from component N47-5 (ESP, SPS [PML] and BAS control unit).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

- Read fault memory from control unit ESP and rectify faults.