Active body control (ABC), block diagram - GF32.50-P-0001-02LEA
MODEL 221.0 /1 with CODE (487) Active Body Control (ABC) as of Model Year 2010 /AEJ 09 MOPF
MODEL 216.3 except CODE (489) AIRMATIC (air suspension with continuous damper adjustment) as of Model Year 2010 /AEJ 09
Courtesy of MERCEDES-BENZ USA