1994 Mercedes-Benz S500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 Mercedes-Benz S500

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1994 Mercedes-Benz S500 Problems

Closing Assist/Door Lock Issues Due to Pneumatic System Problems

Problems with the pneumatic system can cause closing assist and door lock issues.

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.

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

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.

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1994 Mercedes-Benz S500 Questions

why is my altonator draining my battary power? (2 answers)

i replaced altonator and battery for my 1994 Mercedes s500 replaced altonator with more powerful one. Now my altonator is draining my battery power causing my battery power to drain very slow not sure if im getting a good current between altonator and battery. i was told i needed a new wire harne...

How to know if I should replace a warm up regulator in my s500 (1 answer)

Looking at buying this car that has been sitting fit six years. Owner says that it needed replaced when he lady drive it because it would run rough especially in colder temps. I'd it a big deal to replace one? Expensive? Also ball joints need replacing. What other problems should I look for ...

if I replace my transmission filter and fluid will it stop or improve the slippn (1 answer)

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1994 Mercedes-Benz S500 Reviews

had not problems with this ca except the sun roof and the window regulator, but you cant expect too much from a 15 year old car.

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