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

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MODEL 212, 218 

Front control and operating unit 

Shown on model 212 with code (279) Electronic gear selector 

Fig 1: Control And Operating Unit - Shown On Model 212
G09977819Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
NOTES 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 replacing the automatic air conditioning control and operating unit (N22/7).
IMPORTANT Installation: Transfer the buffered basic data onto the new automatic air conditioning control and operating unit (N22/7).
 
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
2 Move selector lever or gearshift lever to rearmost position IMPORTANT Depending on vehicle equipment.  
3 Switch off ignition    
4 Unclip cover (1) from upper control panel control unit (N72/1) using extraction hook and remove SPECIAL TOOL Fig 2
5 Cover up center console using a dry cloth (4)    
6 Remove bolts (2)    
7 Open lid (3)    
8 Apply extraction hook at denoted areas (arrows), release AAC control and operating unit (N22/7) by pulling upwards and remove, until the electrical connectors (5) are accessible SPECIAL TOOL Fig 2
9 Disconnect electrical connectors (5)    
10 Install in the reverse order    
11 Teach in and normalize the actuator motors IMPORTANT The actuator motor is taught in via STAR DIAGNOSIS.  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
Fig 2: Identifying Pulling Hook (140 589 02 33 00)
G09977820Courtesy of MERCEDES-BENZ USA