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Remove/Install Adaptive Damping System (ADS) Control Unit - AR32.32-P-0500LW

Model 253.3 

with code 459 (DYNAMIC BODY CONTROL Suspension With Adjustment Damping) 

Fig 1: Adaptive Damping System (ADS) Control Unit Components Location - Model 253.3 With Code 459
G14470885Courtesy of MERCEDES-BENZ USA
G14470886Courtesy of MERCEDES-BENZ USA
Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Commission Adaptive Damping System control unit (7) When replacing the adaptive damping system control unit (7).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Remove left front seat   AR91.10-P-1000LW
3 Detach electrical wiring harness (3) from air duct (1) INSTALLATION IMPORTANT Replace cable tie (4).  
4 Release air duct (1) (arrows A) and remove    
5 Carefully raise floor covering (2) INSTALLATION IMPORTANT Check for correct seating.  
6 Unclip Adaptive Damping System control unit (7) out of catch hooks (5) and pull out towards vehicle center (arrows B)    
7 Disconnect electrical connectors (6) and remove Adaptive Damping System control unit (7)    
8 Install in the reverse order