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 Savings Dealer Estimate Location
Service type Brake Master Cylinder Replacement for 1990 Mercedes-Benz 420SEL V8-4.2L Estimate $400 Savings 47.81% Dealer Estimate $766 Location Denver, CO
Service type Brake Shoe Replacement (Rear) for 1987 Mercedes-Benz 420SEL V8-4.2L Estimate $131 Savings 41.83% Dealer Estimate $226 Location Denver, CO
Service type Brake Rotor/Disc - Rear Replacement for 1987 Mercedes-Benz 420SEL V8-4.2L Estimate $276 Savings 44.24% Dealer Estimate $495 Location Denver, CO
Service type Spark Plug Replacement for 1990 Mercedes-Benz 420SEL V8-4.2L Estimate $112 Savings 41.22% Dealer Estimate $191 Location Denver, CO
Service type Car Battery Replacement for 1990 Mercedes-Benz 420SEL V8-4.2L Estimate $251 Savings 46.42% Dealer Estimate $469 Location Denver, CO
Service type Cabin Air Filter Replacement for 1988 Mercedes-Benz 420SEL V8-4.2L Estimate $126 Savings 42.32% Dealer Estimate $218 Location Denver, CO
Service type Door Lock Actuator - Driver Side Rear Replacement for 1989 Mercedes-Benz 420SEL V8-4.2L Estimate $216 Savings 41.91% Dealer Estimate $373 Location Denver, CO
Service type Window Motor / Regulator Assembly - Passenger Side Front Replacement for 1988 Mercedes-Benz 420SEL V8-4.2L Estimate $328 Savings 46.15% Dealer Estimate $610 Location Denver, CO

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Answers to common Mercedes-Benz 420SEL questions

Q: Car running sluggish then dies - 1988 Mercedes-Benz 420SEL
Answered by Robert
Hello. I would check the fuel filter (https://www.yourmechanic.com/services/fuel-filter-replacement) first. If the filter is clogged then this will occur. If the fuel filter is fine then the air flow meter needs to be checked. This is the most common part to...
Q: 1988 mercedes 420sel how do you self diagnostic check check engine light is on continually in the car
Answered by Kevin
If the vehicle has an 8 (or 16) pin data connector, you can use a reader and refer to a MB Fault Code Manual for Model Years 1988-1997 (http://www.mbslk.com/files/artikel/r170_fehlercodes.pdf). The blinking codes are also documented in the Factory Service Manual...
Q: Ignition key not working - 1987 Mercedes-Benz 420SEL
Answered by Robert
It's quite likely the battery is dead, and all electrical functions are inoperative. All of the locks have mechanical actuators. A certified technician from YourMechanic can replace your battery (https://www.yourmechanic.com/services/battery-replacement) at your home or office and get you on your...

Fast and easy Mercedes-Benz 420SEL services at your home or office.

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Backed by 12-month, 12,000-mile guarantee