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Resources for the Repair and Maintenance of your 1990 Mercedes-Benz 300CE

1990 Mercedes-Benz 300CE

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1990 Mercedes-Benz 300CE Problems

Electrical & Lights -- Verified

The engine wiring can degrade because the insulating material falls off leaving the bare wire exposed. This can cause many problems depending on which wires are exposed and what they touch.

Exhaust & Emissions -- Verified

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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 cir...

Miscellaneous -- Verified

The seat springs and padding break down over time, causing a lean, tilt, or sag.

Engine -- Verified

Internal and External engine oil & coolant leaks can develop from the head gasket and/or timing cover gasket; these leaks should be repaired before the engine oil and coolant intermix which can result in severe engine damage.

Electrical & Lights -- Verified

The electronic throttle assembly may suffer an electrical failure. It is often cheaper to send the valve to a service center for repair that to purchase a new part.

1990 Mercedes-Benz 300CE Questions and Answers

metalchip, 1990 Mercedes-Benz 300CE, Gasoline, Tiger, GA

Why does my car gear down while driving down the road? It almost stops, then takes off again, doesn't know what gear it needs to be in.

metalchip, 1990 Mercedes-Benz 300CE, Gasoline, Tiger, GA

Will a defective MAS unit cause my 1990 Mercedes 300CE to gear down when going down the road? If so, where can I find one?

cubanitoyo, 1990 Mercedes-Benz 300CE, Garden Grove, CA

when heater and air conditioning comes on no fan, sometimes in long trips fans come on but for short times ?

Visitor, 1990 Mercedes-Benz 300CE, Seattle, WA

have a 1989 300ce mercedes..the left side front suspension is lower than the right.. don't have much history of car..the left tire rubs inside the wheel well when turning hard right. when i ja...

Visitor, 1990 Mercedes-Benz 300CE, Austin, TX


I replaced my pad on my car last night and tried to bleed the brake but nothing happens. After replacing the front pads I tried again. Now my brake pedal just goes to the floor. How do I get f...

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1990 Mercedes-Benz 300CE Reviews

great car this is when they made a real Mercedes Benz

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