1993 Mercedes-Benz 500SEL Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1993 Mercedes-Benz 500SEL

1993 Mercedes-Benz 500SEL Problems

Faulty Mass Air Flow Sensor Causing Erratic Engine Operation and Poor Fuel Economy

A faulty mass air flow (MAF) sensor can cause erratic/rough engine operation and fuel economy issues. Since this sensor measures the actual amount of air entering the motor, when it fails, the engine control module (ECM) takes the wrong information and delivers incorrect volumes of fuel to the cylinders.

Tandem Hydraulic Pumps May Leak From Either Section

Some models have tandem hydraulic pumps—one section for power steering and the other for suspension adjustment. These pumps are prone to leakage from either section.

Window Regulator Failure is Common

One or more door windows may stop working due to a failed window regulator. Replacement of the failed regulator will be necessary to correct this concern.

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1993 Mercedes-Benz 500SEL Questions

My car starts and runs but when car gets hot it wont start. (1 answer)

I have taking the car to different mechanics and they cannot find the issue. My car starts but when I drive it say an hour and gets hot, and turn it off, it will not start. I have to let it cool off to get back home. lol

Rear brakes problem, Third light works , but not the lower left/right (1 answer)

The third brake light works but not the left/right lower brake lights

Rear has a very hard bounce. Can I change the air ride susp to regular shocks? (1 answer)

Car has a hard bounce in the rear. Feels like a lowrider at times.

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