1991 Mercedes-Benz 560SEC Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Mercedes-Benz 560SEC

1991 Mercedes-Benz 560SEC Problems

Valve Stem Seals Wear and Cause Catalytic Converter Failure

Valve stem seals may wear and cause the engine to burn oil. this can contaminate the catalytic converter and cause it to fail.

Power steering hoses can develop leaks
Power steering hoses and components can develop leaks.
Blend Doors in HVAC May Stop Working Due to Bad Vacuum Actuators

One or more blend door vacuum actuators may fail resulting in the incorrect output temperature from the HVAC system. Failed actuators will require replacement to restore proper HVAC operation.

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1991 Mercedes-Benz 560SEC Questions

Dificulties with the warm start. Any opinion? (1 answer)

When I start the car in the morning it starts ok. After I drive the car and stop it for a short time is also starting without any issue. The problem is if I leave the car for 1,2 or 3 hours and I try to start it. Most of the time it will start and then it will stop after 1 second and I need to ke...

what will cost the fuse to blow when turn on the A/C blower stop not compressor? (1 answer)

When turn on the A/C it will work a few second then blower will stop but compressor still work. Have to change the fuse but when try it again fuse will still blow after a few second.

smoke (2 answers)

1989 560 my engine will smoke (blue) at high speed ,but vewry little at idle

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1991 Mercedes-Benz 560SEC Reviews

My low milage (65000 as of 12/2010) is a great driving car. It has however, suffered a number of age related issues like rotting rubber and a failed transmission.

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