Mercedes-Benz 420SEL service by top-rated mechanics at the convenience of your home or office

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How much does Mercedes-Benz 420SEL repair and maintenance cost?

The cost depends on your car, the type of service, and where you live. Here are estimates for a selection of Mercedes-Benz 420SEL services.

Service Estimate Dealer Estimate Your Savings Location
Service type Strut Assembly - Rear Replacement for 1987 Mercedes-Benz 420SEL V8-4.2L Estimate $376 Dealer Estimate $680 Savings 44.62% Location Denver, CO
Service type Oil Change for 1986 Mercedes-Benz 420SEL V8-4.2L Estimate $86 Dealer Estimate $153 Savings 43.60% Location Denver, CO
Service type Spark Plug Replacement for 1986 Mercedes-Benz 420SEL V8-4.2L Estimate $73 Dealer Estimate $120 Savings 39.13% Location Denver, CO
Service type Ignition Coil Replacement for 1991 Mercedes-Benz 420SEL V8-4.2L Estimate $203 Dealer Estimate $381 Savings 46.57% Location Denver, CO
Service type Fuel Pump Replacement for 1988 Mercedes-Benz 420SEL V8-4.2L Estimate $457 Dealer Estimate $834 Savings 45.22% Location Denver, CO
Service type Power Steering Pump Replacement for 1989 Mercedes-Benz 420SEL V8-4.2L Estimate $468 Dealer Estimate $892 Savings 47.51% Location Denver, CO
Service type Power Steering Pump Replacement for 1991 Mercedes-Benz 420SEL V8-4.2L Estimate $468 Dealer Estimate $892 Savings 47.51% Location Denver, CO
Service type Fuel Pump Replacement for 1989 Mercedes-Benz 420SEL V8-4.2L Estimate $471 Dealer Estimate $857 Savings 45.04% Location Denver, CO

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Meet some of our expert Mercedes-Benz 420SEL mechanics

Jeff

Jeff

247 Reviews; 23 years of experience
I had an oil/filter change done on my '08 MB C300. Jeff was very knowledgeable at his job. He was available to do the job earlier than the appointed time which was great!
West Sacramento, CA
November 12
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Brikk

Brikk

123 Reviews; 14 years of experience
this young man was very professional and knew his business and was very thourgh.....from now on, there will be no mechanic touch my car except Brikk......
Charlotte, NC
September 23
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Quentin

Quentin

57 Reviews; 18 years of experience
Quentin was very helpful in determining the problem with my window. He was very professional and recommended additional services for future appointments. I would like for Quentin return on my scheduled repair to repair my car!
Houston, TX
September 18
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Fast and easy Mercedes-Benz 420SEL services at your home or office.

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Answers to common Mercedes-Benz 420SEL questions

Q: No fuel to pumps - 1991 Mercedes-Benz 420SEL
Answered by David
Since you know how to use the multimeter, you are 2 steps ahead already! Start with power to the fuses (fuel pump), then the fuel pump relay to follow the power path. It's also possible that the ignition switch (https://www.yourmechanic.com/services/ignition-switch-replacement),...
Q: Car will not start/no fuel - 1989 Mercedes-Benz 420SEL
Answered by David
If you are certain it is the fuel (i.e. you have confirmed good spark at the plugs), start with power to the fuses (fuel pump), then the fuel pump relay to follow the power path to the fuel pump. It's...
Q: Sunroof malfunctioning
Answered by Evan
It is possible that the cable or motor that moves the sunroof are broken or failing. There is also the possibility that there is some debris or object in the track for your sunroof. I would ask for help from...
Q: Car will only start after being jumped - 1991 Mercedes-Benz 420SEL
Answered by David
If this is a fuel issue, it's likely the check-valve in the fuel pressure regulator not holding pressure during shutdown. This valve keeps a low pressure in the fuel injection system for faster starts. If faulty, the fuel pump has...

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Tom went above and beyond to make me as satisfied as I could be. His communication was excellent. Friendly and professional and best if all, my car is running great and he did it without unnecessary repairs. I would and will highly recommend Tom and Your Mechanic to everyone. Thanks, Rob Miller.



I have to say I am totally satisfied with the service performance and Bernard is quite professional offering details of the work which was completed. I will definitely utilize your service in the future and will recommend to family and friends.



I have to be honest, this was the first time that, I have EVER felt 'at-ease' around an auto mechanic. Jonas was thorough and straight forward with me about the issues; gave me a quote directly after doing the diagnostics on the car and, as it turned out, it cost me less than the original estimate. When does that ever happen with auto repairs ?? He was friendly, informative and knowledgeable. You folks made the whole experience convenient and painless. I'm "sold" on the "Your Mechanic" concept. I'll probably never take my car again to a traditional mechanic !! Jonas was a pleasure to deal with !

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