Remove/install pushbutton control module - AR83.40-P-6350MA

MODEL 220 as of 1.9.02 

Fig 1: Identifying Pushbutton Control Module Remove/Install Components - As Of 1.9.02 (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Pushbutton Control Module Remove/Install Components - As Of 1.9.02 (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Remove/Install
1	Remove ashtray from front center console		AR68.20-P-2400M
2	Pull AC pushbutton control module (N22) out of instrument panel together with cover (1)	Until electrical connectors are accessible.
3	Disconnect electrical connectors
4	Unscrew mounting bolts on cover (1) from AC pushbutton control module (N22)	Two M4x12 bolts.
5	Remove cover (1) from AC pushbutton control module (N22)
6	Install in the reverse order
7	Read diagnostic trouble code memory and erase
	Connect STAR DIAGNOSIS, interrogate fault memory		AD00.00-P-2000-04A
		STAR DIAGNOSIS system.	*WH58.30-Z-1048-13A
8	Perform function check

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1048-13A	STAR DIAGNOSIS system, Compact Passenger Car	6511 1801 00