These little guys basically monitor how fast each wheel is turning. They send that information back to your car’s computer – usually the ABS module, but also sometimes the transmission control module. It's a pretty simple job, really. They don't stop anything, they just report how quickly things are moving. They use something called a toothed ring – sometimes it's part of the wheel hub, sometimes it’s the axle – and the sensor reads the teeth as they pass by. Think of it as a vital messenger. That wheel speed data is used for a few things. Obviously, it's key for your anti – lock braking system, ABS. It helps prevent wheel lockup during hard braking, keeping you in control. But it also feeds information to your traction control and stability control systems, helping keep the car stable and pointed where you want it to go. In some vehicles, it even helps the transmission shift properly. It's more involved than people think. If a speed sensor fails, you’ll likely notice if your ABS light comes on. That’s usually the first sign. Sometimes, it can cause other warning lights too. Your ABS might stop working correctly, which is obviously a safety concern. The car might also struggle with traction control, or even shift oddly. A bad sensor can mess with a lot of systems. Luckily, they're usually pretty straightforward to replace. You can find a good selection, including options for your make and model, over at Fixparts Online if you’re looking to do it yourself. It's a relatively inexpensive part, and keeping it working right is a really important part of keeping your car safe. It’s like a little early warning system for things that could cause a problem. We stand behind our products: Speed Sensor (MPN A1405403517) has a 12-month warranty!

About Mercedes-Benz Passenger

Mercedes-Benz Passenger is a prestigious German brand known for its luxury vehicles that combine advanced technology with refined design. Originating from Germany, this brand represents the pinnacle of automotive sophistication and performance.

Why Choose Mercedes-Benz Passenger?

• Keep your Mercedes-Benz performing its best. Our parts are specifically designed and tested for your vehicle, ensuring a perfect fit and reliable performance. • Don't risk cheaper alternatives. Mercedes-Benz Passenger parts are made with high-quality materials, built to last, and backed by our commitment to excellence. • Protect your vehicle’s value. Using genuine Mercedes-Benz parts helps maintain the original engineering and keeps your car in top condition, preserving its resale value. • Peace of mind. You’ll get a parts warranty and the confidence knowing you’re using parts created by the same team that built your vehicle. Drive with confidence – choose Mercedes-Benz Passenger parts at FixParts Online.