Audio gateway control module, design - GF82.62-P-3102-03TJ

Audio gateway control unit (N93/1), shown with code (810) sound system 

Fig 1: Audio Gateway Control Module Communication Diagram

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Basic scope of function (standard):

• Radio receiver (AM/FM)
• Audio processing and amplifier stages (DSP1)
• CAN-B interface
• MOST interface
• DRO microphone input
• Central diagnostic interface (via CAN-B)

Additional scope of function with code (810) sound system:

• Expanded audio amplifier stages, Digital Signal Processing (DSP2)