Remove/install air suspension control unit - AR32.22-P-6000I

MODEL 220 except CODE (487a) Active body control (ABC) 

Fig 1: Identifying Air Suspension Control Unit Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/Install
1	Connect no load current retention unit		AR54.10-P-1030-07I
2	Disconnect ground cable of battery		AR54.10-P-0003I
3	Open engine hood and position upright		AR88.40-P-1000M
4	Unlock and remove cover of left fuse box (F1)
5	Pull out locking slide (1a) of the two couplings (1) on the AIRmatic with ADS control unit (N51) in direction of arrow as far as the stop and remove connections.	The locking slides are located below the line entries
6	Disconnect connector of data bus system (2) from AIRmatic with ADS control unit
7	Remove AIRmatic with ADS control unit upwards out of left fuse box	When replacing the control unit calibrate it using STAR diagnosis
8	Install in the reverse order