If the bicycle speed detector fails on your Mercedes-Benz, you will get an ABS warn light on the dashboard, plus your fomite will go into LIMP mode, and the infection may no longer shift by rights .
- ABS ESP Warning Light ON
- Fault codes such as Wheel speed sensor signal implausible or wheel speed sensor supply.
- Loss of anti-lock brakes.
- Electronic Stability Control (ESP) will be disabled.
- Erratic shifting of the transmission or limp mode in some cases.
A defective ABS detector will illuminate the ABS, ETS, or ESP faint on your legal document bunch. It may even set a check engine faint or cause your car not to shift and go into the limp ( condom ) modality in engine light or cause your car not to shift and go into the limp ( safe ) mood in rare cases .
With a bad wheel ABS detector, the anti-lock brakes will not function by rights, and you increase the risk of skidding if you have emergency stops.
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What you will need
Some Mercedes-Benz has an Allen bolt while others use a Torx gobble .
How to change an ABS wheel speed sensor on a Mercedes-Benz?
Before you get started, use a Mercedes-Benz scanner to read the codes from the ABS faculty and find out which detector is defective. You do n’t need to replace all the sensors, just the defective one .
- Raise Car. First, loosen the lug nuts but do not remove them. Second, raise the car using your jack. Third, support your car with jack stands such as Torin 3 Ton Jack Stands.
- Locate Mercedes Wheel ABS Sensor. Remove the front wheel and locate the ABS wheel speed sensor.
- Right behind the rotor, you will see a couple of cables connected to two sensors. One wire goes to the brake pads, which is the brake pad wear sensor. The second sensor goes to the ABS wheel sensor.
- Remove ABS sensor bolt Use a Torx socket to remove the bolt that holds the ABS sensor in place.
- The ABS sensor is held in place with a hex bolt, which will require a 10mm Allen wrench to be removed. This is the ABS sensor (also sometimes called RPM sensor) is located on the back of the steering knuckle.
- Remove damaged ABS sensor. Pull out the old sensor.
- It is a good idea to take a picture of the way that your ABS wire is routed. When you install the new sensor, you may be wondering how and where to place the wire.
- Remove cable. The ABS electrical wire is held in place by plastic clips. Pull the wiring harness away from the clips. You may have a plastic cover over the ABS sensor. Make sure to remove that before you pull out the ABS sensor. The plastic is typically held in place with clips that can be easily removed.
- Disconnect ABS Sensor Follow the ABS sensor cable to where it joins the connector under the front subframe.
- Pull up the metal C clip and unplug the old sensor from the connector. To get to the connector, you may have to remove the wheel well liner. Separate the two connectors. You will need a small screwdriver to pry out the clips and separate the ABS and brake pad wear sensor.
- Install new wheel ABS Sensor Install the new Mercedes ABS sensor in reverse order. The ABS sensor bolt needs to be tightened to 25 Nm using a torque wrench. If you need to buy a new ABS sensor, check out Amazon to order a new ABS sensor for under $50.
How much does it cost to change a Mercedes-Benz ABS wheel speed sensor?
It cost between $ 400- $ 600 to change the ABS steering wheel rush detector on Mercedes-Benz vehicles at the dealer. If you have a few tools, you can replace a Mercedes-Benz yourself for under $ 100 .
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