ABS sensors and wiring for GL / GLS generation X166

ABS sensors and wiring are critical parts of your Mercedes-Benz braking system. Each wheel speed sensor monitors how fast its wheel is turning and sends that signal through the wiring loom to the ABS/ESP control unit. This allows the car to prevent wheel lock under braking and helps stability, traction control, and in many models even transmission and cruise-control functions. The sensors are mounted close to the wheel hub or steering knuckle, while the wiring runs through the suspension area and wheel arches, where it must withstand constant vibration, moisture, road salt, heat, and repeated flexing.

When an ABS sensor or its wiring starts to fail, the signs are usually very specific. You may see the ABS, ESP, or traction control warning light appear suddenly after driving through rain or over rough roads. The speedometer may behave erratically on some models, or the car may disable cruise control and stability functions even though the brakes still feel normal in everyday driving. Intermittent warnings that come and go with steering movement or bumps often point to damaged wiring rather than the sensor itself.

A genuine used OEM Mercedes-Benz part is often the best solution: it matches the original connector, mounting points, and signal characteristics exactly, while costing far less than a new dealer part and avoiding the fitment and reliability issues common with aftermarket copies. At imcar.com.ua, every ABS sensor and wiring part is checked and matched precisely by VIN/chassis number before shipping, and packaged carefully for safe international delivery. Order with confidence and get the correct Mercedes part the first time.