Mercedes-Benz S500 Problem Report

Mercedes-Benz S500 Transmission May Leak Fluid and Damage Control Module

(9 reports)

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.

The shop replace the electrical connector and the car is leaking again. They are still trying to figure this out. -
This was a $15 rubber grommet. My indy shop did not even charge labor, they said it was so easy. It caused me no performance problems or other damage, but I did get it fixed within days of noticing a drip in the driveway. I've gone almost 40,000 miles since with no problems. -
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