Transmission May Leak Fluid and Damage Control Module on Mercedes-Benz SLK230

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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Average mileage: 100,286 (58,200–120,000)
7 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004
12 people reported this problem
5 people shared problem details
Transmission fluid leak through the electronic switch connection into the transmission case.
Screw that holds electrical connector in place on the transmission broke off, had to replace the electrical board inside transmission to stop leak, now after a few months the transmission has blown fuse again and smoke came from TCM, now transmission does not shift and speedometer does not work. Replaced fuses but nothing happens was told I had to replace TCM and Harness.
Car was in drive, going down street. Hesitate a little bit, then fine turned off after got home, went to leave and neutral is drive and no reverse.
Car will not shift out of park or change grears
Leaking from Control Module
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