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Resources for the Repair and Maintenance of your 1991 Mercedes-Benz 300E 4MATIC

1991 Mercedes-Benz 300E 4MATIC

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1991 Mercedes-Benz 300E 4MATIC Problems

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.

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...

Drive Train -- Verified

The bushings for the shifter lever wear out to the point where they break and fall out. This causes excessive movement (loose feel) in the shifter lever and a clanging-type noise when changing gears.

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.

Heating & Air Conditioning -- Verified

Due to wear of mechanical parts in the control head, the buttons on temperature control assemblies work erratically or not at all. These control heads need to be replaced for this concern or when the display screen starts to fade out.

1991 Mercedes-Benz 300E 4MATIC Questions and Answers

digs, 1991 Mercedes-Benz 300E 4MATIC, Grants Pass, OR

I cannot seem to figure out the path to re-intall belt.

brianbarranco, 1991 Mercedes-Benz 300E 4MATIC, Detroit, MI

how to drain transmission fluid for a 1991 300e 4matic Mercedes Benz. If i have to much fluid in it can this cause belt not to turn??

redz101, 1991 Mercedes-Benz 300E 4MATIC, Buena Park, CA

Gage temperature suppose to be before it starts overheatin

iam5521, 1991 Mercedes-Benz 300E 4MATIC, Middletown, NJ

After filling with trans fluid, I start engine, begin to drive and notice a great deal of smoke coming out of the exhaust pipes. After 10 minutes of the burning smoke, I turn the engine off and mea...

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