2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 526

0504

Component A16/1 (knock sensor 1, right) has an electrical fault. (P0325)

Possible cause:

- A16/1 (knock sensor 1, right)

Affected functions:

- Engine running

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Test 1: Check component A16/1 (knock sensor 1, right).

1. Check component A16/1 (knock sensor 1, right).

Test prerequisite

- Engine running

Test sequence

- Briefly blip throttle.

Status of relevant actual value:

- Coolant temperature:Warning! Communication with ECU required.

- Knock control enable:Warning!

Specified value

- Knock control enable:YES

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

- Lines to component A16/1 (knock sensor 1, right)

- Component A16/1 (knock sensor 1, right)

End of test

0505

Component A16/2 (knock sensor 2, left) has a short circuit to positive. (P0333)

Possible cause:

- A16/2 (knock sensor 2, left)

Affected functions:

- Engine running

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Test 1: Check component A16/2 (knock sensor 2, left).

1. Check component A16/2 (knock sensor 2, left).

Test prerequisite

- Engine running

Test sequence

- Briefly blip throttle.

Status of relevant actual value: