Car Problem Reports

Mercedes-Benz C320 Wire Connector on Transmission May Leak Fluid and Damage Control Module

Mercedes-Benz C320 Problem
12 Reports
Me Too

Model Years Affected: 2001, 2002, 2003, 2004, 2005

Average Mileage: 100,000 mi (48,000 mi - 150,000 mi)


The electrical connector at the automatic transmission may leak fluid. Over time leaking fluid could migrate through the wiring harness and damage the transmission control module. If that happens a new harness and control module may be necessary to correct the problem.

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