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1990 Mercedes-Benz 300E Repair & Maintenance Costs

A guide to repairs, service, and maintenance costs for your 1990 Mercedes-Benz 300E

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The annual maintenance cost for a Mercedes-Benz is between $839 and $1025.
Maintenance costs vary depending on age, mileage, location and service provider.

The 1990 Mercedes-Benz 300E has 30 reported problems. Failure of EHA valve may cause fuel/engine problems is the most commonly reported 1990 Mercedes-Benz 300E problem.

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The 1990 Mercedes-Benz 300E is rated highest in Body and needs improvement in Heating
Overall (7 Reviews)
Body, Interior & Misc.
Brakes
Drive Train
Electrical & Lights
Engine
Exhaust & Emissions
Heating & Air Conditioning
Suspension & Steering
Body, Interior & Misc.
Brakes
Drive Train
Electrical & Lights
Engine
Exhaust & Emissions
Heating & Air Conditioning
Suspension & Steering
The 1990 Mercedes-Benz 300E has 30 related questions. RepairPal's professional community answers hundreds of questions each day. Below are the most commonly asked 1990 Mercedes-Benz 300E questions.
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
Car shuts down after it gets warmed up won't start until cooled
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
I added about a 1/2 bottle of new stuff and it worked fine But Ive never seen that in a car before I am going to flush it out Where is the plug Im assuming right underneath it?