1990 Mercedes-Benz 560SEL Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Mercedes-Benz 560SEL

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1990 Mercedes-Benz 560SEL 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.

Transmission Oil Seals May Leak on High Mileage Vehicles

High mileage vehicles may develop a transmission fluid leak from one or more of the oil seals.

 

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1990 Mercedes-Benz 560SEL Questions

what are signs that the manifold gaskets are leaking (1 answer)

In looking over the car I recently bought -- 1990 560SEL with 114,000 miles -- when I had the brakes redone the shop I went to told me they detected leaks in the manifold gaskets. I have no performance issues, not sure I trust the shop who I think thinks I am a little old lady who knows nothing a...

i got car mercedes-benz car model 600 ,want to ask steering box problem (1 answer)

why engine oil can run into my car steering box

What maint requirements are for the 100 thousand mile check for a 1978 380 SL (1 answer)

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1990 Mercedes-Benz 560SEL Reviews

This is a great car that is reliable, the main issue to this model are the standard high-mileage leaks from the valve cover gaskets. Some dealer parts are actually cheaper than aftermarket. In comparison to the 1994 BMW 740iL, it is cheaper to maintain and eventhough it has a 5.6 litre engine, burns less fuel.

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