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1992 Mercedes-Benz 300E Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1992 Mercedes-Benz 300E

1992 Mercedes-Benz 300E Problems

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.

Due to wear, high usage vehicles can experience ignition lock and tumbler failures. The ignition lock cylinder will generally require replacement to correct this concern.

Due to age and sun exposure, the interior wood trim cracks and the finish gets a cloudy haze. Replacement if the trim would be the most common solution to the problem.

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1992 Mercedes-Benz 300E Questions

i can turn the key of the trunk and lock or open the car doors but the trunk will not open

failed smog test; failed obd system checks-because light doesn't come with key, hc=282/max allowed=56 @25mph, co=1.62/max allowed=.39@25mph. already replaced the oxygen sensor and catalytic converter prior to the test. cars hard to start cold, once started runs a little rough for the first mi...

Does anyone know what these codes mean? Help Please!

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1992 Mercedes-Benz 300E Reviews

Having problems with it starting in the morning when it is cold...

Car is very dependable when it's running. Strong engine at 170K miles, but I do find that it has a problem with the air conditioner sometimes blowing and sometimes not. It happens quite frequently. I also have noticed that it leaks transmission fluid if it sits for more than a week or so. Those are the two problems that I have encountered with this vehicle at this juncture. I love the way ...

I own a Mercedes Benz 300e that I bought for my wife for $1700. At that point it had 249,000 miles on it. Before we owned it, it had been sitting for some years and had a acceleration delay issue. Once we got it back on the road I added fuel injector cleaner and drove it hard on the highway. Now the issue only appears before its fully warmed up to operating temperature. She did not want it bac...

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