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.
Transmission May Leak Fluid and Damage Control Module on Mercedes-Benz SLK230
Average mileage: 100,286 (58,200–120,000)
12 people reported this problem
5 people shared problem details
2004 Mercedes-Benz SLK23058,200Visitor
Transmission fluid leak through the electronic switch connection into the transmission case.
2000 Mercedes-Benz SLK23097,000Visitor
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.
1998 Mercedes-Benz SLK230116,234Visitor
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.
2003 Mercedes-Benz SLK230110,000Visitor
Car will not shift out of park or change grears
1999 Mercedes-Benz SLK230120,000Visitor
Leaking from Control Module
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