1991 Mercedes-Benz 300CE Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Mercedes-Benz 300CE

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1991 Mercedes-Benz 300CE Problems

Rough Running Engine Due to Misfire

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 circuit through the oil.

Improper Temperature Output From HVAC

One or more blend door vacuum actuators may fail resulting in the incorrect output temperature from the HVAC system. Failed actuators will require replacement to restore proper HVAC operation.

The Differential May Develop Leaks From the Seals or Cover

Leaks may develop from the differential seals and/or cover on older or high mileage vehicles. Our technicians recommend a complete reseal of the differential unit when these leaks are addressed.

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1991 Mercedes-Benz 300CE Questions

Has anyone located a supplier for the faux wood on the dash? (1 answer)

the brown strip of plastic across the front that peels off with time

DIFFICULT DEPARTURE, IS LONG TO DIFFUSE - MARCHES SLOW OSCILLATING (1 answer)

THE DEPARTURE IS FAILING, IT IS LONG TO DIFFUSE! THE SLOW MARCH IS OSCILLATING! THE TIMES WORKS WITH 800 TO 900 RPM BUT IT OSCILLATES! ALSO REMAIN FOR 1000 UP TO 1500 RPM! THE MOTOR IS ACCELERATED! THE ACCELERATOR COILS!

i'm having a hard time starting my 91 300ce (1 answer)

when it does eventually start it runs well when i turn the key the starter turns over but the car wont start

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