Sunday, February 14, 2016

Electrical - Battery Discharged, Vehicle Doesn't Start Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)

2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948)

Vehicle: All Technical Service Bulletins

Electrical - Battery Discharged, Vehicle Doesn't Start

Battery discharged, vehicle does not start

Topic number         LI54.10-P-054089

Version               2

Design group          54.10 Battery, voltage supply, voltage converter

Date                  09-13-2012

Validity              Models: 204; 207; 212 (rotary light switch with zero position)

Reason for change     Validity adapted

Complaint:

Battery discharged, vehicle does not start.

Cause:

Rotary light switch sending wrong signal after ignition OFF.

Remedy:

1) Read out fault roll of battery sensor (IBS).

2)     If the following entries are present:

^    Power consumption by standing lights or parking lights

^    Power consumption by low beams then this is an indication of a faulty rotary light switch.

3)     Replace rotary light switch.

Symptoms

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