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Home >> Mercedes Benz >> 2020 >> SLC43 AMG Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System - Body - 172 Chassis - 3 Of 5 >> Testing & Repair >> Remove/Install Rain/Light Sensor - AR82.30-P-7800W

Remove/Install Rain/Light Sensor - AR82.30-P-7800W

Model 172.4 

Fig 1: Rain/Light Sensor Components Location - Model 172.4 (Shown With Code 345)
G13848250Courtesy of MERCEDES-BENZ USA

Shown with code 345 (Windshield wiper with rain sensor) 

NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition    
2 Unclip cover (1) downwards and remove (arrow A) SPECIAL TOOL Long wedge Fig 2
3 Unhook retaining clamp (3) at both sides of rain/light sensor (B38/2) or light sensor (B38/1) (arrow B)    
4 Remove rain/light sensor (B38/2) or light sensor (B38/1) NOTES
Do not touch surfaces of rain/light sensor (B38/2) or light sensor (B38/1).
Otherwise, soiling may cause the rain/light sensor (B38/2) or the light sensor (B38/1) to malfunction.
 
5 Disconnect electrical connection (2)    
6 Install in the reverse order    
7 Carry out initial startup of rain/light sensor (B38/2) or light sensor (B38/1)    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
Fig 2: Identifying Long Wedge (115 589 03 59 00)
G11129259Courtesy of MERCEDES-BENZ USA