CL 550 (216.371) V8-5.5L (273.961) (2008)
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Component Identification
Location
The COMAND controller unit is installed into the center console.
Task
The COMAND controller unit centrally actuates the following systems:
^
Audio systems (radio mode, CD mode and DVD mode)
^
Navigation system
^
Telematics system (telephone mode, e-mail)
^
Video systems (TV, DVD)
Design
Integrated into the COMAND controller unit are the following:
^
Digital versatile disk (DVD) drive
^
Central computer
^
Interfaces to the Media Oriented System Transport (MOST), telematics CAN, and central CAN
^
DVD changer
^
Navigation processor
Function
The control buttons and switches of the function keypad at the front central operating unit (A40/9) are read in by the microcontroller (via I and O ports)
and transferred to the central computer in the COMAND controller unit. Depending on the system function, the button operations are processed further
in the central computer and forwarded via the MOST, the telematics CAN and the central CAN to the other system components in the form of a data
telegram.
GF82.85-P-3136SXU COMAND Controller Unit, Component Description
GF82.85-P-3136SXU COMAND Controller Unit, Component Description
