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

Mercedes-Benz 300E Models:

Image for car images Mercedes Benz 1990 1993 Mercedes Benz 300 E size thumb

Mercedes-Benz 300E Problems

Miscellaneous -- Verified

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.

Miscellaneous -- Verified

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.

Miscellaneous -- Verified

Due to wear of the internal drive gear, the speedometer can stop working.

Engine -- Verified

A coolant leak may develop from the water pump. When replacing the water pump, the drive belt tensioner should be inspected and most likely replaced as well.

Miscellaneous -- Verified

The sunroof may not work correctly due to failed components as a result of age and wear. Repairing a sunroof can be labor intensive and very costly.

Mercedes-Benz 300E Questions and Answers

skinsman221, 1990 Mercedes-Benz 300E, Springfield, VA

How do you replace the power steering pump and water pump on a 1989 Mercedes 300E?

raye, 1990 Mercedes-Benz 300E, Johnstown, PA

I have a 1990 mercedes 300E. 150,000 miles. 300ci 6 cyclinder. There is a coolant leak on the drivers side coming down the side of the motor. I cant see exactly where it starts because the intake m...

Igor Ed, 1990 Mercedes-Benz 300E, Forgan, OK

I am attempting to change out the distributor/rotor adapter. It is a keyed shaft. I have removed the screw and was told to give it a quarter turn and it would slide out. The screw is out, but canno...

DaveK, 1990 Mercedes-Benz 300E, Westminster, MD

I have a 1989 Mercedes 300 that needs to have the water pump replaced. The repair shop said I should also have the thermostat replaced at the same time. They gave me an estimate of $795. Is that...

PIEROMA, 1990 Mercedes-Benz 300E, Los Angeles, CA

gas gage,water ,rpm no working

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Mercedes-Benz 300E Reviews

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 back and after a while I ended up driving it for work (she stole my Range Rover!). I would beat on it on a regular basis but now miraculously, it drives better than ever! As a matter of fact, it will not die!!! I decided that I liked it but just couldn't get over driving a four door so I bought a 300ce in hopes that it will be just as tough but cooler being a two door coupe. We will see what happens, I'll let you know!

I have this Mercedes-Benz 1990 3000E all of sudden out of no were, the car was on park went to put in reverse the park car would not move! Had no signs of tranny problems at all! No leaks at all! car runs awesome until this! mileage is 168000! What could this be?

I've had my 92' 300E with the 3 liter engine for close to 15 years now and it now has 248,000 miles on it. I’ve only had the standard repairs to perform for a car of this age (radiator, alternator, belts) all self repaired/replaced. The only small annoyance is the need to add oil, about 2 quarts/month, but I've accepted it. The car still runs strong and rides well. It’s getting close to time for a replacement but it’s a tough car to replace what with its proven reliability through all the years. I'm looking at another E Class, just a bit newer. Mercedes did a good job with this class

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 it handles and its heavy enough to handle the road very well. I would buy another one with less miles if it came available.

this vehicle looses spark when it warms up any ideas

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