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Light sensor component description - GF54.21-P-6001CW

MODEL 204.0/2 except CODE (345) Rain sensor up to Model Year 2008 

Illustrated on model 204.0 

Fig 1: Identifying Light Sensor - Shown On Model 204.0
G10107257Courtesy of MERCEDES-BENZ USA

Location 

The light sensor is located on the inside of the windshield near the inside rearview mirror.

Task 

It records the light intensity impacting on the windshield. Various functions of the interior illumination and exterior lights are controlled automatically via the light intensity.

The information is forwarded over the

wiper/inside rearview mirror LIN to the front SAM control unit with fuse and relay module (N10/1).