Transmission May Leak Fluid and Damage Control Module on Mercedes-Benz SLK320

Problem Description and Possible Solution

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. At that point, a new harness and control module may be necessary to correct this problem.

Problem Data
RepairPal Verified
Average mileage: 105,500 (91,000–120,000)
4 model years affected: 2001, 2002, 2003, 2004
8 people reported this problem
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Trans fluid leaking from around electrical connector.
$400 to drop pan, replace connector and rubber pan gasket and reinstall and refill with fluid at transmission shop.