The electrical connector at the automatic transmission may leak fluid into the wiring harness. If not repaired, the oil will migrate through the wiring harness and damage the transmission control module. A new harness and control module may be necessary to correct this problem.
Transmission May Leak Fluid and Damage Control Module on Mercedes-Benz C280 4MATIC
Average mileage: 71,000 (71,000–71,000)
Drive Train affected: 3.0L V6
3 people reported this problem
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Transmission fluid leaked on my control module, had to replace fluid and module.