Mercedes-Benz E420 Wheel Speed Sensor Replacement at your home or office.

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Wheel Speed Sensor Replacement Service

How much does a Wheel Speed Sensor Replacement cost?

On average, the cost for a Mercedes-Benz E420 Wheel Speed Sensor Replacement is $144 with $49 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1995 Mercedes-Benz E420V8-4.2LService typeWheel Speed Sensor - Passenger Side Rear ReplacementEstimate$623.93Shop/Dealer Price$768.67 - $1163.50
1994 Mercedes-Benz E420V8-4.2LService typeWheel Speed Sensor - Driver Side Rear ReplacementEstimate$603.93Shop/Dealer Price$748.70 - $1143.55
1995 Mercedes-Benz E420V8-4.2LService typeWheel Speed Sensor - Passenger Side Front ReplacementEstimate$603.93Shop/Dealer Price$748.70 - $1143.55
1995 Mercedes-Benz E420V8-4.2LService typeWheel Speed Sensor - Driver Side Rear ReplacementEstimate$603.93Shop/Dealer Price$748.66 - $1143.48
1994 Mercedes-Benz E420V8-4.2LService typeWheel Speed Sensor - Passenger Side Rear ReplacementEstimate$603.93Shop/Dealer Price$748.72 - $1143.60
1997 Mercedes-Benz E420V8-4.2LService typeWheel Speed Sensor - Driver Side Rear ReplacementEstimate$192.27Shop/Dealer Price$234.12 - $320.23
1997 Mercedes-Benz E420V8-4.2LService typeWheel Speed Sensor - Passenger Side Front ReplacementEstimate$302.39Shop/Dealer Price$370.28 - $535.05
1997 Mercedes-Benz E420V8-4.2LService typeWheel Speed Sensor - Driver Side Front ReplacementEstimate$470.61Shop/Dealer Price$581.21 - $872.63
Show example Mercedes-Benz E420 Wheel Speed Sensor Replacement prices

What is the Wheel Speed Sensor all about?

A wheel speed sensor, also called an "ABS sensor," is part of the Anti-lock Brake System (ABS). It is located on the tires (near the brake rotors for the front tires and in the rear end housing for the rear tires). The job of the wheel speed sensor is to constantly monitor and report the rotational speed of each tire to the ABS control module. ABS is a safety system that prevents your car from skidding or sliding when you apply the brakes. When the brake is applied, the ABS control module reads the speed data from the speed sensor and sends the correct pressure to each wheel to prevent any sliding/skidding (wheels locking up).

On cars that come with rotors in each tire, each tire will also have a speed sensor. On cars that have rear drums (instead of rotors), the tires will have one sensor in the rear and two sensors in the front. When one or more of these sensors are faulty, the ABS warning light will go on and the ABS will be disabled. You will still be able to slow down and stop your car, but the tires may slide when you apply brakes, esp. on slippery surfaces.

Keep in mind:

  • The TCS (Traction Control System) relies on the same wheel speed sensors as the ABS, so replacing the sensors can fix both systems.
  • Each wheel has at least one speed sensor, so it is possible that only one of the sensors needs replacing.
  • Sometimes sensors stop working because they are dirty. In this case, the mechanic will repair your sensor by cleaning it, rather than replacing it.

How it's done:

  • Scan the ABS system for codes.
  • Inspect entire brake system.
  • Inspect sensor and reluctor wheel.
  • Remove and replace the wheel speed sensor.
  • Check for proper operations.

Our recommendation:

During a brake service, the mechanic will make sure that the sensor is free of debris or grease that may prevent the sensor from functioning properly.

What common symptoms indicate you may need to replace the Wheel Speed Sensor?

  • ABS warning light is on.
  • ABS system is not working.
  • Traction control warning light is on.

How important is this service?

Without wheel speed sensors, your ABS and TCS will not work. These systems rely on information from the wheel speed sensors; the sensors tell the ABS when to unlock the brakes to avoid sliding, and they tell the TCS when to distribute power to different wheels so that you stay in control of your vehicle. Without wheel speed sensors, the ABS and TCS do not have the information they need, and so they shut off, leaving your car without two primary safety features.

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Excellent Rating

(24)

Rating Summary
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Joshua

13 years of experience
19 reviews
Joshua
13 years of experience
Mercedes-Benz E420 V8-4.2L - Radiator - Antioch, California
Joshua was a trooper. Pooring down rain and was able to do the job within an hour and a half. very respectful and even got to the appointment 30 minutes early. I HIGHLY recommend Joshua for another job. Thank You and Happy Holidays

Bill

21 years of experience
23 reviews
Bill
21 years of experience
Mercedes-Benz E420 V8-4.2L - Air Filter - Aliso Viejo, California
Very professional, showed up promptly, and was honest in his diagnosis. Great service!

Matthew

21 years of experience
21 reviews
Matthew
21 years of experience
Mercedes-Benz E420 V8-4.2L - Car is not starting - Glen Burnie, Maryland
Very informative and thorough in attempt to determine the mechanical issue although none was detected. Highly recommended.

James

23 years of experience
99 reviews
James
23 years of experience
Mercedes-Benz E420 V8-4.2L - Steering Rack/Gearbox - Marietta, Georgia
Excellent service. Very knowledgeable and meticulous, ensuring that the work is flawless before he leaves. I highly recommend James.

Excellent Rating

(24)

Rating Summary
18
2
1
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3
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Number of Mercedes-Benz E420 services completed
264+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
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