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Mercedes-Benz 420SEL Repair & Maintenance Costs

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

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$891 Annual Repair Cost
on average

The national average repair and maintenance cost for a Mercedes-Benz 420SEL is between $802 and $980. Repair and maintenance costs vary depending on age, mileage, location and service provider.

Most Common Mercedes-Benz 420SEL Problems

Mercedes-Benz 420SEL vehicles have 24 reported problems. The most commonly reported Mercedes-Benz 420SEL problem is: Bad Switch/Blower Motor Resistor Assembly May Cause Inoperative Heater Blower Motor.

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Mercedes-Benz 420SEL Reviews

Mercedes-Benz 420SEL vehicles rate highest in Body and needs improvement in Drive Train
Mercedes-Benz 420SEL (3 Reviews)
Body
Brakes
Drive Train
Electrical
Engine
Exhaust
Heating
Suspension
Body
Brakes
Drive Train
Electrical
Engine
Exhaust
Heating
Suspension

Most Common Mercedes-Benz 420SEL Questions

There are 24 related questions for Mercedes-Benz 420SEL vehicles. RepairPal's professional community answers hundreds of questions each day. Below are the most commonly asked Mercedes-Benz 420SEL questions.
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
Start ok but then black smoke, no acceleration stalling
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
My battery keeps running down due to constant static coming from radio car doesn't need to be started nor does key ne...