Operating, display unit with control unit, design - GF82.85-P-3114-07DA

The following components are integrated in the COMAND operating, display and control unit (A40/3):

• Color liquid crystal display (LCD) with graphics capability
• Radio tuner
• CD drive
• Navigation processor

In vehicles from 01.09.03 onwards, the navigation processor (N41/1) is installed as a separate control unit in the left of the trunk.

The COMAND operating, display and control unit (A40/3) has the following interfaces:

• Digital databus (D2B)
• Class B (interior) Controller Area Network Bus (CAN-B)
• K bus (diagnostic interface)

In vehicles as of 01.09.03, all audio signals, voice signals and navigation processor (N41/1) signals are transferred via the Media Oriented System Transport (MOST).

In vehicles from 01.09.03 onwards, the audio gateway control unit (N93/1) is also installed as interface between the CAN-B and the Media Oriented System Transport (MOST). The audio signals are then sent to the audio gateway control unit (N93/1) and output via the vehicle speakers.