2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2620

Possible remedy

- Replace component Y3/8 (Electric control unit (VGS)).

Following the repair measures, the following checks MUST be carried out using the Diagnosis Assistance System, menu 'Initial startup'

- Initial startup with manual settings input for new control unit

End of test

NO

Test 1.1: The measurement value is not OK.

Test 1.2: Possible cause and remedy

Test 1.3: Test regulator and generator.

1.1. The measurement value is not OK.

1.1. No further information available.

1.2. Possible cause and remedy

1.2. No further information available.

1.3. Test regulator and generator.

Note on alternator testDepending on the engine variant, different alternators are installed.

- Alternators without networking

- Alternators networked with engine control unit

Networked alternators can be diagnosed via the engine control unit.Detailed information on alternator testing can be found in WIS.Press button F2 to

go to WIS documents

1.3. No further information available.

E0563

The voltage supply of circuit 87 has overvoltage.