Replace Brake Pad Wear Sensor Mercedes-Benz
If you replace the brake pads but not the brake pad wear sensor on a Mercedes-Benz, the brake pad warning message on your dashboard will not clear. In this guide, you will learn how to test a brake pad wear sensor and find step-by-step procedures to replace the brake pad wear sensor on Mercedes-Benz cars and SUVs. Are you more of a visual learner, Check out our video guide below!
What you will need
- Multimeter
- Brake pad wear sensor (Mercedes-Benz)
Procedure
- Unlock the vehicle and go to the driver’s seat.
- Insert the key fob into the ignition switch and turn it to accessories.
- If the cluster shows check brake pad wear, this means that you need to replace the sensor or the brake pad.

- Loosen the lug nuts on the wheel where you didn’t replace the wear sensor.
- Jack up the vehicle and put jack stands to support the car.
- Carry the front wheel away from the vehicle. Find the sensor on the caliper itself.

- Remove the brake pad wear sensor by simply pulling out the sensor’s connector and popping it out from the brake pad using a pick tool or screwdriver.

- Get a multimeter and set it to the resistance settings.
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- Connect the probes of the multimeter to the sensor connector. If there’s no beep sound once you connect the probes, there’s a problem with the sensor. The sensor needs to be replaced.
- If there’s no beeping sound, it means that you need to replace the vehicle’s brake pad. To replace the sensor, simply pull it out of the connector and brake pad. Then, push the new sensor into the connector and brake pad in reverse order.
We hope you find the Replace Brake Pad Wear Sensor Mercedes-Benz guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.
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