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

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

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.

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

What is 17 on code reader

mercedes 500 sl how do you stop the hazzard light for the convertible bar
it just started and the light switch does not work for the automatic top

the interior. I had never experienced an audio "Trouble" alarm. Checked the oil did a visual check of the engine compartment, restarted car and the beeping continued. Turned off car to research the issue. Any ideas? It was not the security alarm.

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1990 Mercedes-Benz 500SL Recalls

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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