Remove/install control unit (ABC) (Active Body Control) - AR32.50-P-0023I

MODEL 215, 220 with CODE (487a) Active body control (ABC) 

Shows model 220 

Fig 1: Identifying Control Unit (ABC) Active Body Control 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 ABC control unit (N51/2) in the direction of the arrow as far as the stop and remove connections.	The locking slides are located below the line entries
6	Disconnect connector for the data bus system (2) from the ABC control unit
7	Remove ABC control unit upwards out of the left fuse box	When replacing the control unit calibrate it using STAR diagnosis
8	Install in the reverse order