1992 Mercedes-Benz 500E Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1992 Mercedes-Benz 500E

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1992 Mercedes-Benz 500E Problems

Emissions-related ports in cylinder head may clog

Ports in the cylinder head related to the emissions air injection and EGR systems can clog; the cylinder head should be removed and the ports cleaned.

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.

Engine Oil and Coolant Leaks Resulting in Fulid Intermix

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.

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1992 Mercedes-Benz 500E Questions

Engine Skipping (1 answer)

My 500 E misses severely to the point that it is now hard to get going when it is not driven for a few days. Initially, it runs OK, but if parked and then restarted, it misses severely. If I drive it daily, it runs smoothly. I have had the plug wires and plugs changed. It acts like it is not ...

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