2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 895

1. Remedial action on impermissible closing or excessively high friction power of the torque converter lockup clutch

Operation number of operation texts and work units or standard texts and flat rates:27-0641Question:Does a customer complaint exist?

YES

Requirement:A customer complaint exists.RemedyPlease contact the relevant product service department. End of test

Requirement:No customer complaint exists.RemedyIgnore fault code and erase fault memory. End of test

1629

Component Y3/8n4 (Fully integrated transmission control (VGS) control unit) is defective.

Possible cause:

- Y3/8n4 (Fully integrated transmission control (VGS) control unit)

Affected functions:

- Automatic transmission Function

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Test 1: Remedial action if component 'Y3/8n4 (Fully integrated transmission control (VGS) control unit)' is faulty

1. Remedial action if component 'Y3/8n4 (Fully integrated transmission control (VGS) control unit)' is faulty

Test prerequisites

- First of all process all other current fault codes.

POSSIBLE CAUSES

- Component Y3/8n4 (Fully integrated transmission control (VGS) control unit) is defective.

Preconditions

- Print out the initial quick test log before processing the fault code 1629.

- Create control unit log.

Important notes before commencing repair measures

- Always use the same diagnostic unit after the repair measure.

Continue with button F2

Sequence

- Data are being read from the old control unit.

Start process with button F2.

1. No further information available.

1631