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Home >> Mercedes Benz >> 2012 >> GL450 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC - 164 Chassis >> Testing & Repair >> Remove and install control and operating unit - AR83.40-P-6350GZ

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

MODEL 164 

Shown on model 164.1 with offroad package, code 430 

Fig 1: Identifying Control And Operating Unit Components - Shown On Model 164.1 With Offroad Package, Code 430
G05260689Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
MODIFICATION NOTES

26.7.06 Disconnect/connect ground line for battery and carry out basic programming removed Steps 1 and 7  
REMOVINGINSTALLING Remove/install    
NOTES Notes on avoiding damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
1 Unlatch the instrument panel-center part (1) at the bottom edge (arrows A) and pull forward out of the instrument panel IMPORTANT Protect trim parts of the instrument panel and center console from scratches.  
2 Remove bolts (2)    
3 Separate electrical connector (3, 4, 5)    
4 Remove AAC [KLA] control and operating unit (N22)    
5 Install in the reverse order