Posted on 4/25/2025
Mercedes-Benz vehicles are known for their comfort, technology, and refinement—and their rain-sensing wipers are a perfect example. You don’t have to touch a thing. As soon as rain hits the windshield, the wipers activate automatically and adjust their speed based on how heavy the rain is. It’s one of those features you don’t think about until you’ve experienced it—and then you don’t want to go without it. But how exactly do these sensors know when to start wiping? The system isn’t magic—it’s carefully engineered to detect moisture and react in real time. The Sensor Isn’t Outside—It’s Behind the Glass Rain-sensing wipers rely on an optical sensor, which is usually mounted just behind the windshield near the rearview mirror. The sensor looks out through the glass, not exposed to the elements directly, which helps protect it from damage or contamination. This sensor emits infrar ... read more