2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 517

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

0454

The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)

Possible cause:

- Test control unit.

Affected functions:

- Engine diagnosis

- Exhaust system

-------------------------------------------------

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

0455

The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)

Possible cause:

- Test control unit.

Affected functions:

- Engine diagnosis

- Exhaust system

-------------------------------------------------

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

0456

The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064E)