ABS Wheel Speed Sensor - CI - XABS1124
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Product Information
Full details
The CI XABS1124 ABS Wheel Speed Sensor is designed for Mercedes-Benz R172 owners who need a high-precision replacement to maintain their vehicle's braking safety and stability control systems. It offers an exact-fit solution for front axle monitoring, ensuring reliable data transmission to the vehicle's computer. The primary caveat is that this is a vehicle-specific part requiring precise installation, and it is strongly recommended that users verify their chassis compatibility against the specified OEM part numbers before beginning the repair.
All features
| Model Part Number | XABS1124 |
|---|---|
| Brand | CI |
Extended Product Information
FAQs
Is this sensor compatible with both the left and right sides?
This sensor is designed for the front axle, but please verify your specific service manual to see if the part is side-specific for your R172 trim.
Do I need to program the car's computer after installation?
Usually, you only need to clear the stored fault codes using a scanner; no deep reprogramming is required for this type of speed sensor.
What is the cable length?
The cable length is 573 mm, with an overall part length of 670 mm.
Can I install this sensor without removing the wheel?
It is highly recommended to remove the wheel to provide adequate access and ensure the cable is routed correctly, preventing future damage.
Does this sensor come with a warranty?
Warranty terms vary by retailer; please check the documentation provided at the point of purchase.
Will this fix a Traction Control warning light?
Yes, since the stability and traction control systems rely on data from the ABS wheel speed sensors, replacing a faulty one often resolves these warnings.
Troubleshooting
ABS light remains on after installation
You must use an OBD-II scanner to clear the diagnostic trouble codes (DTCs) stored in the vehicle's computer after the new sensor is installed.
Sensor does not fit into the mounting hole
Check the mounting hole for rust or built-up brake dust. Use a wire brush or fine-grit sandpaper to clean the area before attempting re-insertion.
Erratic ABS behavior or warning lights
Verify that the 2-pin connector is fully seated and clicked into place. Ensure the cable is not being pinched by suspension components.
Pros and Cons
Pros
- Matches OEM specifications for perfect fitment
- High-quality build ensures long-lasting sensor accuracy
- Easy plug-and-play installation with standard 2-pin connector
- Crucial for restoring vehicle safety and traction control
Cons
- Installation requires wheel removal and suspension access
- Compatible only with specific Mercedes-Benz R172 models
- Does not include mounting bolts or specialized trim tools
Setup, Compatibility & Care
Before starting, ensure the vehicle is safely lifted on jack stands and the front wheel is removed. Locate the sensor mounting point on the steering knuckle. Carefully disconnect the 2-pin oval connector and unclip the cable from the suspension housing. When installing the new XABS1124 sensor, ensure the cable is routed exactly like the original to prevent rubbing or stretching during full steering lock. Use caution to keep the sensor head clean during installation to prevent debris interference. It is advisable to clean the mounting hole on the hub before inserting the new sensor to ensure a flush fit. Compatibility is strictly limited to Mercedes-Benz R172 models; always cross-reference your original part number with 1725400017 or A2049052905.