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Remove/Install Air Suspension Control Unit - AR32.22-P-6000GQ

Model 166 

as of model year 2016 

with code 489 (AIRMATIC Dual Control/semi-active air suspension) 

with code P84 (Sports model) 

Fig 1: Airmatic/Air Suspension Control Unit Components Location - Model 166 As Of Model Year 2016 With Code 489; P84
G14135909REMOVINGINSTALLINGREFER TO SELF-DIAGNOSTIC SYSTEMSREFER 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 Connect diagnostic system and store basic data from AIRmatic control unit (2) Only when replacing AIRmatic control unit (2).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
2 Switch off ignition and keep transmitter key at a location beyond transmitter range (at least 2 m)    
3 Remove side paneling in left side of trunk Model 166.0
as of model year 2016
with code 489 (AIRMATIC Dual Control/semi-active air suspension)
with code P84 (Sports model)
AR68.30-P-4800GQ
    Model 166.8
as of model year 2016
with code 489 (AIRMATIC Dual Control/semi-active air suspension)
with code P84 (Sports model)
AR68.30-P-4800GQX
4 Remove sound deadening mat    
5 Unscrew nuts (1)    
6 Release and disconnect electrical connections (3) from AIRmatic control unit (2)    
7 Remove AIRmatic control unit (2)    
8 Install in the reverse order    
  Initial startup     
9 Perform SCN coding of AIRmatic control unit (2) Only when replacing AIRmatic control unit (2). AR54.21-P-0015X
10 Transfer previously stored basic data to AIRmatic control unit (2) Only when replacing AIRmatic control unit (2).  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04A
11 Perform initial startup of AIRmatic control unit (2) Only when replacing AIRmatic control unit (2).