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Remove/Install Adaptive Damping System Control Unit - AR32.32-P-0003FR

Model 257 with code 459 (Steel suspension with adjustable damping) 

G14548509Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Notes on HANDS-FREE ACCESS   AH80.61-P-0001-01A
REMOVINGINSTALLING Remove/install     
1
REFER TO SELF-DIAGNOSTIC SYSTEMS
Perform commissioning of adaptive damping system control unit (N51/5) When replacing the adaptive damping system control unit (N51/5). AD00.00-P-2000-06FR
2 Switch off ignition and store transmitter key outside of transmission range (min. 2 m)    
3 Remove side paneling in left side of luggage compartment Model 257 with code 459 (Steel suspension with adjustable damping) except code 811 (Advanced sound system) AR68.30-P-4800FR
4 Remove subwoofer Model 257 with code 459 (Steel suspension with adjustable damping) with code 811 (Advanced sound system) AR82.62-P-7841FR
5 Remove sound system control unit holder and place to one side Model 257 with code 459 (Steel suspension with adjustable damping) with code 810 (Sound system)  
Model 257 with code 459 (Steel suspension with adjustable damping) with code 811 (Advanced sound system)  
  AR82.62-P-7724FR
IMPORTANT Do not disconnect electrical connections.  
6 Unscrew nuts (1) and place holder (2) with attached electrical lines into trunk    
7 Detach electrical connections (3)    
8 Release and remove adaptive damping system control unit (N51/5)    
9 Install in the reverse order