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Home >> Mercedes Benz >> 2021 >> GLS63 AMG >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments - 167 Chassis (2 Of 4) >> Testing & Repair >> Remove/Install Off-Road Control Panel Control Unit - AR54.21-P-0069ME

Remove/Install Off-Road Control Panel Control Unit - AR54.21-P-0069ME

Model 167 

With Code 489 (AIRMATIC Dual Control/semi-active air suspension) 

Fig 1: Off-Road Control Panel Control Unit Components Location - Model 167 With Code 489
G14791212REMOVINGINSTALLINGSPECIAL TOOLCourtesy of MERCEDES-BENZ USA
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).    
2 Unclip handrest (1) upwards at rear end (arrow A) and remove rearwards.    
3 Remove screws (2) and remove base of handrest (1).    
4 Unclip cover (4) from front to back and remove until the electrical connectors underneath are accessible. SPECIAL TOOL Long wedge Fig 2
5 Release and disconnect electrical connectors on back of cover (4) and remove cover (4).    
6 Remove screws (3) and remove offroad control panel control unit (N72/3).    
7 Install in the reverse order.    
Fig 2: Identifying Long Wedge (115 589 03 59 00)
G11128618Courtesy of MERCEDES-BENZ USA