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Home >> Mercedes Benz >> 2021 >> G550 >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instruments - 463 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Front Central Operating Unit >> Remove/Install Front Central Operating Unit - AR54.21-P-0500XG

Remove/Install Front Central Operating Unit - AR54.21-P-0500XG

Model 463 

as of Model year 2019 

Fig 1: Audio / COMAND Control Unit (Front Central Operating Unit) Components Location - Model 463 As Of Model Year 2019
G13658848REMOVINGINSTALLINGREFER TO SELF DIAGNOSTIC SYSTEMSCourtesy of MERCEDES-BENZ USA
  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A 
REMOVINGINSTALLING Remove/install     
1 Perform commissioning of Audio/COMAND control panel (A40/9). When replacing the Audio/COMAND control panel (A40/9).  
REFER TO SELF DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Remove cover (1) at center console.   AR68.20-P-2350XG
3 Disconnect electrical connectors (2).    
4 Remove screws (3).    
5 Remove Audio/COMAND control panel (A40/9) from cover (1).    
6 Remove touchpad (A105).    
    When replacing the Audio/COMAND control panel (A40/9). AR54.21-P-0503XG 
7 Remove left lower control panel (N72/4) and right lower control panel (N72/5).    
    When replacing the Audio/COMAND control panel (A40/9). AR54.25-P-0005XG 
8 Install in reverse order.