Mercedes-Benz 400SEL Problem Report
Mercedes-Benz 400SEL High Usage Vehicles May Experience Ignition Lock and Tumbler Failures
Due to wear, high usage vehicles can experience ignition lock and tumbler failures. The ignition lock cylinder will generally require replacement to correct this concern.
Problems with the pneumatic system can cause closing assist and door lock issues.
High mileage vehicles may develop a transmission fluid leak from one or more of the oil seals.
sometimes they work and at times do not work.
The electronic throttle assembly may suffer an electrical failure. It is often cheaper to send...
Leaks may develop from the differential seals and/or cover on older or high mileage vehicles. O...