C 320 Wagon (203.264) V6-3.2L (112.946) (2004)
Rain Sensor: Description and Operation
Shown On Model 220
Position
The rain sensor is stuck to the inside of the front windshield.
Task
The rain sensor (B38) records the degree of wetting of the front windscreen and controls the wiper system interval time.
Design
The rain sensor (B38) consists of an IR transmit and receive unit and an electronic circuit that is used for evaluation and as an interface.