Genuine 204 901 45 04 Light and Rain Sensor Module

The Genuine 204 901 45 04 Light and Rain Sensor is an OEM replacement sensor module designed for Mercedes-Benz vehicles. This dual-function sensor automatically controls both the automatic headlight system and rain-sensing windshield wiper operation.

Key Features:

• Genuine OEM Mercedes-Benz part ensures exact fit and reliable performance
• Integrated light sensor detects ambient lighting conditions to automatically activate headlights
• Rain sensor monitors windshield moisture to adjust wiper speed automatically
• Direct replacement for worn or malfunctioning sensor units
• Restores proper automatic lighting and wiper functionality

This sensor module mounts to the windshield behind the rearview mirror and connects to the vehicle's electrical system. When the sensor fails, drivers may experience non-functional automatic headlights or rain-sensing wipers. Replacing with this genuine part ensures proper calibration and integration with Mercedes-Benz vehicle systems.