2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1330

Test 3: Check component N10 (SAM control unit).

1. Interior CAN bus

Warning!Communication with ECU required.

2. CAN communication is faulty.

Test 2.1: Check the CAN communication with control unit A1 (Instrument cluster).

2.1. Check the CAN communication with control unit A1 (Instrument cluster).

Test 2.1.1: Check the CAN communication with control unit.

2.1.1. Check the CAN communication with control unit.

Warning!Communication with ECU required.

3. Check component N10 (SAM control unit).

Possible cause and remedy

- Read out fault memory of control unit N10/2 (Rear SAM control unit with fuse and relay module).

End of test

2227

The left fuel level sensor has an electrical fault.

Test 1: CAN communication is faulty.

Test 2: Check component N10 (SAM control unit).

Test 3: Possible cause:

- N10/2 (Rear SAM control unit with fuse and relay module)

- Check the CAN communication with control unit A1 (Instrument cluster).

- Interior CAN bus

Affected functions:

- Fuel level indicator

- Engine running

Test 4: Interior CAN bus

1. CAN communication is faulty.

Test 1.1: Check the CAN communication with control unit A1 (Instrument cluster).

1.1. Check the CAN communication with control unit A1 (Instrument cluster).

Test 1.1.1: Check the CAN communication with control unit.

1.1.1. Check the CAN communication with control unit.

Warning!Communication with ECU required.

2. Check component N10 (SAM control unit).

Possible cause and remedy

- Read out fault memory of control unit N10/2 (Rear SAM control unit with fuse and relay module).

End of test

3. No further information available.

4. Interior CAN bus

Warning!Communication with ECU required.