Mercedes-Benz ML450 Windshield Wiper Motor Replacement at your home or office.

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Windshield Wiper Motor Replacement Service

How much does a Windshield Wiper Motor Replacement cost?

On average, the cost for a Mercedes-Benz ML450 Windshield Wiper Motor Replacement is $367 with $272 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2011 Mercedes-Benz ML450V6-3.5L HybridService typeWindshield Wiper Motor - Rear ReplacementEstimate$659.33Shop/Dealer Price$812.92 - $1234.30
2010 Mercedes-Benz ML450V6-3.5L HybridService typeWindshield Wiper Motor - Rear ReplacementEstimate$639.33Shop/Dealer Price$792.95 - $1214.35
2010 Mercedes-Benz ML450V6-3.5L HybridService typeWindshield Wiper Motor - Front ReplacementEstimate$933.91Shop/Dealer Price$1158.68 - $1777.78
2011 Mercedes-Benz ML450V6-3.5L HybridService typeWindshield Wiper Motor - Front ReplacementEstimate$933.91Shop/Dealer Price$1158.62 - $1777.68
Show example Mercedes-Benz ML450 Windshield Wiper Motor Replacement prices

What is the windshield wiper motor and how does it work?

The windshield wiper motor is a small electric motor. A shaft coming out of the motor connects to a linkage/transmission assembly that converts the rotary shaft movement of the motor to the linear, back-and-forth motion of the wiper arms across the windshield. In addition to the windshield wiper motor in the front, some SUVs, vans, hatchbacks and station wagons have an additional wiper motor mounted in the tailgate to keep the rear window clear.

When to consider replacing the windshield wiper motor?

  • No wiper function at all. Windshield wiper motors can fail, but prior to replacing the motor, the mechanic will check its power supply.
  • Wipers don’t park in the down position. There is an internal switch in the wiper motor that keeps the motor powered after you have shut it off to ensure the wipers park in the right spot. If that switch fails, the wiper motor must be repaired or replaced.
  • Erratic or slow wiper operation. If the electric motor or the transmission have worn excessively, you might experience erratic, intermittent, or slow wiper operation.
  • Grinding or clunking noises. Excessive wear in the motor transmission or wiper linkages may cause noise. A mechanic will determine the cause of the noise before performing repairs.

How do mechanics replace the windshield wiper motor?

  • Remove the cowl and any covers over the wiper motor and transmission assembly.
  • Remove the plug harness to the motor and disconnect the wiper transmission arm from the wiper motor.
  • Remove the bolts holding the motor and transmission assembly to the body of the car.
  • Install the new motor. The plug harness is usually keyed so it can only be inserted in one direction. If not, the proper polarity must be observed. Bolt the motor to the car body.
  • Cycle the motor several times by turning it on and off to establish the park position, then re-attach the linkage transmission assembly to the wiper motor.
  • Install all covers, cowling, and so forth and test operation of the motor on a wetted glass only.

Is it safe to drive with a windshield wiper motor problem?

Yes. So long as the weather is clear and there is no rain, snow, or ice, it is safe. However, if the wiper motor is not functioning properly driving in adverse weather conditions is quite risky and may even be impossible in heavy rain, which will often completely obscure your view through the windshield. Due to the unpredictability of the weather, it is always best to have the windshield wiper system in good working order.

When replacing the windshield wiper motor keep in mind:

  • Never turn on the wipers if the windshield wiper blades are frozen to the windshield or their path is blocked by snow or ice.
  • When the wiper motor is replaced, all the linkages in the wiper system should be lubricated.
  • The rubber inserts in the wiper arm have a lifetime of about 1 to 2 years. Replacing the inserts regularly will make it safer to drive in adverse weather.

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Excellent Rating

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James

12 years of experience
233 reviews
James
12 years of experience
Mercedes-Benz C280 V6-2.8L - Windshield Wiper Motor Replacement (Front) - San Francisco, California
I'd give them 6 stars if available. James did a great job. Had a couple of issues with my car and he went above and beyond the call of duty. A mechanic you can trust . . . hard to find. Thank You James.

Robert

20 years of experience
1061 reviews
Robert
20 years of experience
Mercedes-Benz C320 V6-3.2L - Windshield Wiper Motor Replacement (Front) - Denver, Colorado
Robert was great! He not only replaced my windshield wiper motor, but also gave my car a thorough inspection. Very friendly and professional.

Tomas

17 years of experience
226 reviews
Tomas
17 years of experience
Mercedes-Benz C320 V6-3.2L - Windshield Wiper Motor Replacement (Front) - Orange, New Jersey
Tomas has worked on my car more than once, he seems to always be running late to appointments, but he gets the job done.

Peter

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

Excellent Rating

(4)

Rating Summary
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Number of Mercedes-Benz Windshield Wiper Motor Replacement services completed
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services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
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