1990 Mercedes-Benz 500SL Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Mercedes-Benz 500SL

1990 Mercedes-Benz 500SL 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.

Hard/soft Tops May Develop Problems Due to Age

As vehicles age, various problems may develop with the hard and soft tops. If problems are encountered, it would be recommended to have a technician familiar with these tops perform the diagnoses.

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 500SL Questions

I have a 1976 450-SL;what might be the problem causing a steam &antifreeze leak? (1 answer)

I have a 1976 450-SL that came out of 7yr storage. The oil, gas, plugs, antifreeze looked great. I hooked up a battery and it started right up. I let it run 5 or so times, 30min at a time each week. The last time I started it up I forgot I left it running say an hour or so. When I remembered I fo...

Approx. cost to replace drive belt and drive belt tensioner (1 answer)

starting to squeak on acceleration. tension unit is broken

My car now is hard to start now when u missed the first time...too many cranks (1 answer)

I jet don't trst that place where I went...my only complaint then was the hesitation so they fix a gasket that cost me around $2,000 and 2 distributor caps and EH which costed me $348.00 alone

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1990 Mercedes-Benz 500SL Recalls

Recall 93V067000
DURING THE REMOVAL AND INSTALLATION OF THE AIR FILTER HOUSING WHILE SERVICING THE VEHICLE, IT IS POSSIBLE TO MISROUTE THE PREFORMED VACUUM HOSE AND DAMAGE THE CHECK VALVE IN THE VACUUM HOSE. IF THE CHECK VALVE IS DAMAGED, LOSS OF SUFFICIENT BRAKE POWER ASSIST WILL OCCUR.

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