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Mercedes-Benz 300E Problems

Find the most common issues based on car owner complaints

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Most Common Mercedes-Benz 300E Problems

Fuel leaks, erratic or rough engine operation, and fuel economy issues can be caused by the failure of a fuel system component called the EHA (electro-hydraulic actuator) valve.
Due to wear, high usage vehicles can experience ignition lock and tumbler failures.
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.
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2 Known Mercedes-Benz 300E Brake Problems

4 Known Mercedes-Benz 300E Drive Train Problems

2 Known Mercedes-Benz 300E Electrical & Lights Problems

6 Known Mercedes-Benz 300E Engine Problems

3 Known Mercedes-Benz 300E Exhaust & Emissions Problems

2 Known Mercedes-Benz 300E Heating & Air Conditioning Problems

6 Known Mercedes-Benz 300E Miscellaneous Problems

5 Known Mercedes-Benz 300E Suspension & Steering Problems

30 Known Mercedes-Benz 300E Problems

Years to Avoid

Based on owner-submitted report and recall notices, Mercedes-Benz 300E years 1990, 1992, and 1991 are the most likely to experience problems.

1990 Mercedes-Benz 300E
1992 Mercedes-Benz 300E
1991 Mercedes-Benz 300E
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