1991 Mercedes-Benz 420SEL Repair & Maintenance Costs

A guide to repairs, service, and maintenance costs for your 1991 Mercedes-Benz 420SEL

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(2 Reviews)
Annual Repair Cost
on average
The annual maintenance cost of a 1991 Mercedes-Benz 420SEL is $891. Repair and maintenance costs vary depending on age, mileage, location and shop.

Most Common 1991 Mercedes-Benz 420SEL Problems

1991 Mercedes-Benz 420SEL vehicles have 24 reported problems.The most commonly reported 1991 Mercedes-Benz 420SEL problem is: Bad Switch/Blower Motor Resistor Assembly May Cause Inoperative Heater Blower Motor
Other than a defective MOTOR, a bad switch or blower MOTOR resistor assembly can cause an inoperative heater blower m...
It is not uncommon for the idle air compensator to get stuck in one position, resulting in the engine idle speed (rp...

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1991 Mercedes-Benz 420SEL Reviews

1991 Mercedes-Benz 420SEL vehicles rate highest in Brakes and needs improvement in Heating
Overall (2 Reviews)
Drive Train

Most Common 1991 Mercedes-Benz 420SEL Questions

There are 27 related questions for 1991 Mercedes-Benz 420SEL vehicles. RepairPal's professional community answers hundreds of questions each day. Below are the most commonly asked questions.
Something warm up & it wont start
Where do i spray starter fuel? how do i find air intake pocket?
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