Remove/install control and operating unit - AR83.40-P-6350CW

MODEL 204.0/2/3 

MODEL 204.9 up to model year 2013 

Shown on model 204.0 up to 28.2.2011 

Fig 1: Identifying Control And Operating Unit Remove/Install Components - Shown On Model 204.0

Courtesy of MERCEDES-BENZ USA

Shown on model 204.0 as of 1.3.2011 

Fig 2: Identifying Control And Operating Unit Remove/Install Components - Shown On Model 204.0

Courtesy of MERCEDES-BENZ USA

Shown on model 204.9 up to model year 2013 

Fig 3: Identifying Control And Operating Unit Remove/Install Components - Shown On Model 204.9

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
1	Buffer the basic data of the automatic air conditioning control and operating unit (N22/7) in Star Diagnosis	When installing a new automatic air conditioning control and operating unit (N22/7).
			AD00.00-P-2000-04A
		Copy the buffered basic data to the new automatic air conditioning control and operating unit (N22/7).
2	Move selector lever or gearshift lever to rearmost position	Depending on vehicle equipment.
3	Switch off ignition
4	Remove center air vent	MODEL 204.0/2 as of model year 2012/AEJ 11	AR83.10-P-4503CWA
5	Remove radio	Model 204.0/2 as of model year 2012/AEJ 11, model 204.3, model 204.9 up to model year 2013/AEJ12 With code (523) MB Audio 20 radio, with code (510) Audio 20 with CD changer, with code (525) MB Audio 50 APS radio, with code (511) Audio 50 APS with DVD changer, with code (527) COMAND APS with single DVD drive (with navigation), with code (512) COMAND APS with DVD changer
			AR82.60-P-7502CW
6	Unclip cover (6) from upper control panel control unit (N72/1)	Model 204.9
7	Open cover (1)	MODEL 204.0/2 up to 2/28/11 MODEL 204.9 up to model year 2013
8	Unclip and remove cover (2) from instrument panel (4)	MODEL 204.0/2 up to 2/28/11 MODEL 204.9 up to model year 2013 Carefully release cover (2) using long wedge at all 4 corners. Otherwise the covering (2) can bend or kink in the middle.
		Long wedge	Figure
9	Use a suitable screwdriver to release the catch hooks (3) downwards through the openings (arrows) and unclip the automatic air conditioning control and operating unit (N22/7) from the instrument panel (4), then pull it out until the electrical connectors (5) are accessible	MODEL 204.0/2 up to 2/28/11 MODEL 204.9 up to model year 2013
10	Remove screws/bolts (7) and pull automatic air conditioning operating unit (N22/7) out of instrument panel (4) until the electrical connectors (5) are accessible	MODEL 204.0/2 as of 3/1/11, 204.3
11	Disconnect electrical connectors (5)
12	Install in the reverse order
13	Teach in and normalize the actuator motors
			AD00.00-P-2000-04A
		The actuator motor is taught in via STAR DIAGNOSIS.

Fig 4: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA