The COMAND operating, display and control unit (A40/3) serves as the interface to the Media Oriented System Transport (MOST) and Controller Area Network bus Class B (interior) (CAN-B). It controls the following systems centrally:
Integrated radio tuner
Integrated CD drive
Navigation (NAVI) with dynamic navigation system
CD player with changer (in glove compartment) (A2/6), with code (819) CD changer 6-disc
Universal Portable CTEL Interface (UPCI [UHI]) control unit (N123/1), with code (388) "portable CTEL" UPCI system
Sound amplifier (A2/13), with code (810) sound system
TV tuner (MOST) (A2/10), with code (860) TV tuner
Voice control system control unit (A35/11), with code (813) voice control system (VCS)