The Merc Sprinter W907 W910 E S Eqs Eqe Gle Active Brake Radar Sensor A0009056121 is a genuine part from Mercedes-Benz, designed to enhance the vehicle's active braking system. This sensor plays a crucial role in providing advanced driver assistance systems, specifically in the realm of parking assistance. By accurately detecting objects and vehicles in proximity to the car, the radar sensor helps ensure smooth and safe braking, improving overall driving experience and safety on the road.