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Mercedes-Benz 420SEL Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your Mercedes-Benz 420SEL

No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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The national average repair and maintenance cost for a Mercedes-Benz 420SEL is between $802 and $980 per year. Repair and maintenance costs vary depending on age, mileage, location and service provider.

Repair Cost Index Score
59
Mercedes-Benz 420SEL
scores in the middle range of all car models for average repair and maintenance costs
0
100
59
$
$$$
40
- average of all models
What does this score mean?
$891
Annual Repair Cost
on average
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
A refrigerant leak may develop from one or more of the AC hoses. Proper leak detection procedures should be followed if refrigerant loss in encountered. Replacement of any leaking hoses will we r...
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...
The timing chain and timing chain guides wear; they should be replaced every 100,000 miles.
My battery keeps running down due to constant static coming from radio car doesn't need to be sta...
I have replaced the climate control switches, a/c compressor, mono valve, thermostat, I need help...
Overall Score (3 Reviews)
October 08, 2010
1991 Mercedes-Benz 420SEL
great car!! still a head turner after almost 20years.. have owned my 91 420sel now for 5 years and still performs, looks, handles and drives like brand new with only 150k...maintenance can be cost...
July 31, 2010
1991 Mercedes-Benz 420SEL
THE HANDLING REALLY NICE THE VENT DOES NOT OPENING TOOK ME FOR AWHILE TO GET AC ON ALMOST 1991 S CLASS HAVING PROBLEM WITH CRUISE CONTROL SWITCH IT'S DOESN'T WORKING SOME TIMES DOES.I'VE GOT BAD F...
March 15, 2010
1990 Mercedes-Benz 420SEL
what other automobile would you even consider that has 150k miles and still cost $5k or better..and get a consistent thumbs up!