Mercedes-Benz 420SEL Window Motor Replacement at your home or office.

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Window Motor Replacement Service

How much does a Window Motor Replacement cost?

On average, the cost for a Mercedes-Benz 420SEL Window Motor Replacement is $292 with $169 for parts and $123 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1988 Mercedes-Benz 420SELV8-4.2LService typeWindow Motor - Passenger Side Front ReplacementEstimate$557.75Shop/Dealer Price$681.44 - $997.39
1988 Mercedes-Benz 420SELV8-4.2LService typeWindow Motor - Driver Side Rear ReplacementEstimate$775.95Shop/Dealer Price$961.86 - $1468.30
1991 Mercedes-Benz 420SELV8-4.2LService typeWindow Motor - Passenger Side Rear ReplacementEstimate$790.39Shop/Dealer Price$979.90 - $1497.17
1989 Mercedes-Benz 420SELV8-4.2LService typeWindow Motor - Passenger Side Rear ReplacementEstimate$1000.99Shop/Dealer Price$1243.10 - $1918.28
1990 Mercedes-Benz 420SELV8-4.2LService typeWindow Motor - Passenger Side Rear ReplacementEstimate$790.39Shop/Dealer Price$979.94 - $1497.23
1991 Mercedes-Benz 420SELV8-4.2LService typeWindow Motor - Driver Side Front ReplacementEstimate$470.85Shop/Dealer Price$579.85 - $851.66
1991 Mercedes-Benz 420SELV8-4.2LService typeWindow Motor - Passenger Side Front ReplacementEstimate$536.75Shop/Dealer Price$660.15 - $975.87
1989 Mercedes-Benz 420SELV8-4.2LService typeWindow Motor - Driver Side Rear ReplacementEstimate$782.45Shop/Dealer Price$968.89 - $1475.73
Show example Mercedes-Benz 420SEL Window Motor Replacement prices

What is the Window Motor all about?

The window motor is located inside the door panel behind the trim, and is responsible for raising and lowering the window when the switch is pressed. It is a reversible electric motor, powered up by an electric switch on the inside of the door. When the button to open or close the window is pressed, a circuit completes and the electric window motor cycles. The window glass is attached to a track and is on a window regulator that allow it to move squarely and smoothly up and down. If the window motor is faulty, you may experience a slow-moving window especially upward, the window may not move at all when the button is pressed, or the window may begin to sink back into the door after the power window switch is released.

Keep in mind:

  • The window motor is a sealed unit, and is not designed to need maintenance or service.
  • A window motor is located inside each door equipped with a power window. Accessing and repairing a power window motor is best left to one of our expert technicians.

How it's done:

  • Identify which window motor has failed.
  • Remove door panel to gain access.
  • Remove and replace faulty window motor and regulator.
  • Check operation of the window regulator and motor.
  • Reinstall door panel.

Our recommendation:

Because the window motor is a sealed system, it does not receive any scheduled maintenance. When it fails, replacement is the only option. However, there are other potential causes of malfunctions, including the window switch and wiring problems. If you’ve noticed that your window motor is not working properly, or it is working inconsistently, have the problem diagnosed by one of our expert mechanics.

What common symptoms indicate you may need to replace the Window Motor?

  • Window does not roll up or down
  • Window rolls down but not up
  • Window does not hold its position
  • Window slows or stalls out when rolling up the window

How important is this service?

The power window motor closes your door windows to provide security for belongings inside, and provides protection from environmental elements. A window must be able to open in the event of an emergency, so have a faulty window motor replaced immediately.

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Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating

(18)

Rating Summary
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Manuel

12 years of experience
93 reviews
Manuel
12 years of experience
Mercedes-Benz 420SEL V8-4.2L - Oil Pressure Sensor Replacement - Naples, Florida
First class service. Knowledgeable and considerate.

Desmond

20 years of experience
50 reviews
Desmond
20 years of experience
Mercedes-Benz 420SEL V8-4.2L - Valve Cover Gasket - Salinas, California
Top-notch! Timely, competent, and thorough with the 50-point inspection. I got much more out of the 50-point inspection than the initial service request---definitely above and beyond!

Dave

23 years of experience
303 reviews
Dave
23 years of experience
Mercedes-Benz 420SEL V8-4.2L - Oil Change - San Jose, California

Peter

28 years of experience
526 reviews
Peter
28 years of experience
Mercedes-Benz 420SEL V8-4.2L - Car is not starting - Pacoima, California
satiesfied

Excellent Rating

(18)

Rating Summary
17
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0
1
0
17
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Number of Mercedes-Benz 420SEL services completed
198+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
experts on our platform

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