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 Variable Valve Timing (VVT) Solenoid Replacement for 1991 Mercedes-Benz 420SEL V8-4.2L Estimate $927 Savings 49.14% Dealer Estimate $1823 Location Denver, CO
Service type Fuel Pump Replacement for 1987 Mercedes-Benz 420SEL V8-4.2L Estimate $394 Savings 45.97% Dealer Estimate $729 Location Denver, CO
Service type Water Pump Replacement for 1990 Mercedes-Benz 420SEL V8-4.2L Estimate $592 Savings 42.52% Dealer Estimate $1030 Location Denver, CO
Service type Fuel Injector Replacement for 1990 Mercedes-Benz 420SEL V8-4.2L Estimate $999 Savings 48.66% Dealer Estimate $1947 Location Denver, CO
Service type Brake Rotor/Disc - Rear Replacement for 1990 Mercedes-Benz 420SEL V8-4.2L Estimate $256 Savings 45.26% Dealer Estimate $469 Location Denver, CO
Service type Shock Absorber - Front Replacement for 1986 Mercedes-Benz 420SEL V8-4.2L Estimate $325 Savings 45.63% Dealer Estimate $597 Location Denver, CO
Service type Cooling System Flush for 1988 Mercedes-Benz 420SEL V8-4.2L Estimate $154 Savings 42.74% Dealer Estimate $270 Location Denver, CO
Service type Control Arm Assembly - Front Upper Right Replacement for 1986 Mercedes-Benz 420SEL V8-4.2L Estimate $244 Savings 42.17% Dealer Estimate $423 Location Portland, OR

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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: I have a check oil light that's always on but the oil pressure is good how do you fix the light
Answered by Jay
You will need to have computer tested for codes and diagnose the codes and then have the oil pressure tested with a manual gauge and if pressure is good then replace the oil pressure sending unit and retest system.
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: 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