Replacement Number: 0005400217 Compatible with Mercedes-Benz C-CLASS (W202) C 180, E-CLASS (W210) E 200, Description: The Mercedes Benz BRAKE WEAR SENSOR 0005400217 is a small but critical braking system component. Its primary function is to alert the driver when the brake pads are worn down and need to be replaced. This sensor is designed to withstand high temperatures and harsh conditions, ensuring reliable operation in all driving conditions. Proper maintenance of this sensor is important to ensure safe and efficient braking performance. If the sensor detects excessive wear, it will trigger a warning light on the dashboard, indicating that it's time to replace the brake pads. Regular inspection and replacement of the brake wear sensor can help prevent costly damage to the braking system and ensure maximum safety on the road.