Remove/Install Rain/Light Sensor - AR82.30-P-7801MFA

Model 118, 177, 243, 247 

Courtesy of MERCEDES-BENZ USA

Fig 1: Rain/Light Sensor Components Location - Model 247

Courtesy of MERCEDES-BENZ USA

Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove
1	Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).
2	Unclip cover (1) (arrows) and remove.	Long wedge	Fig 2
3	Unclip mirror base cover (4) from mirror base.
4	Release and disconnect electrical connector (2).
5	Press retaining clamps (3) and release using a suitable tool.
6	Carefully detach rain and light sensor with additional function (B38/2) from windshield and remove.	Do not touch coupling medium of rain and light sensor with additional functions (B38/2). The coupling medium must not be soiled. Otherwise it may be damaged and malfunctions may occur.
7	Store rain and light sensor with additional functions (B38/2) in a suitable container.	When reusing rain and light sensor with additional functions (B38/2). Do not touch coupling medium of rain and light sensor with additional functions (B38/2). The coupling medium must not be soiled. Otherwise it may be damaged and malfunctions may occur.
	Install
8	Install rain and light sensor with additional functions (B38/2).		AR82.30-P-7802-01ME
		The windshield must be free of residue and dry in the area of the rain and light sensor with additional functions (B38/2). Otherwise there may be damage and malfunctions. Do not touch coupling medium of rain and light sensor with additional functions (B38/2). The coupling medium must not be soiled. Otherwise it may be damaged and malfunctions may occur. If the coupling medium is damaged, ↓ the rain and light sensor with additional functions (B38/2) must be replaced.
9	Connect electrical connector (2).
10	Install mirror base cover (4).
11	Install cover (1).
	Initial startup
12	Perform initial startup of rain/light sensor with additional function (B38/2).	When replacing rain and light sensor with additional functions (B38/2) or when replacing windshield.
			AD00.00-P-2000-06MFA

Fig 2: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA