1991 Mercedes-Benz 560SEC Repair and Maintenance

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

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1991 Mercedes-Benz 560SEC Problems

Bad Switch/Blower Motor Resistor Assembly May Cause Inoperative Heater Blower Motor

Other than a defective motor, a bad switch or blower motor resistor assembly can cause an inoperative heater blower motor.

Rough Running Engine Due to Misfire

A rough running motor or lack of power can be caused by a failed distributor cap or rotor, ignition wires (or their resistors), or valve cover gasket leaks. If the valve cover gasket leaks, oil can pool where the ignition wire resistor connects to the spark plug. The resistor can fail and the spark plug may not fire because of a short circuit through the oil.

Catalytic Converter Failure Due to Engine Burning Oil

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

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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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