The Delphi Mercedes-Benz ABS Wheel Speed Sensor - SS20342 is a high-quality sensor designed specifically for use in Mercedes-Benz vehicles. It is used to measure the rotational speed of the wheels and send this information to the vehicle's anti-lock braking system (ABS) to help prevent wheel lock-up and maintain control during braking. This sensor is made with durable materials and precision engineering to ensure accurate and reliable performance. It is a direct replacement for the original equipment sensor and is compatible with a wide range of Mercedes-Benz models.