Mercedes-Benz 500SEC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercedes-Benz 500SEC
Mercedes-Benz 500SEC Problems
Problems with the pneumatic system can cause closing assist and door lock issues.
The electronic throttle assembly may suffer an electrical failure. It is often cheaper to send the valve to a service center for repair that to purchase a new part.
The bushings for the shifter lever wear out to the point where they break and fall out. This causes excessive movement (loose feel) in the shifter lever and a clanging-type noise when changing gears.
Mercedes-Benz 500SEC Questions
cruise control does not work and neither does the snow chain light does not activate either
The driver's side auto heating function does not blow hot air. The passenger side works fine. The Air Conditioning works fine on both sides of the car when using the automatic setting.