Mercedes Benz : 2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 897

- 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

Operation number of operation texts and work units or standard texts and flat rates:27-0641Warning!In the event of stored faults with high fault

frequency counter:The control module must not be replaced.Cause

- Control module has an internal error.

REMEDY

- Disassemble and assemble automatic transmission using the repair instructions.

- Exchange electrohydraulic control unit.

Notes on submitting warranty or goodwill claimsSEAG damage code (7 digits): 54553 73IMPORTANT NOTEFollowing 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

Continue with button "F2"

Warning!Communication with ECU required.

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