Adjust cockpit central display, function - GF54.30-P-2210SX

MODEL 221.0 /1, 216.3 up to Model Year 8

Shown on model 221

Fig 1: Identifying Adjust Cockpit Central Display Function Diagram

Courtesy of MERCEDES-BENZ USA

Moving screen

The function requirement for moving the screen of the COMAND display (A40/8) is "Tml. 15R ON".

The COMAND display swivel left switch and the COMAND display swivel right switch can be used to move the screen in 3 steps to the left or right by max. 10° about the vertical axis.

The COMAND display swivel left switch and COMAND display swivel right switch are fitted in the cockpit switch group next to the COMAND display.

Screen dimming

The screen can be dimmed manually or automatically. Two photosensors integrated in the COMAND display are used for the automatic dimming function.

The COMAND display brightness control in the cockpit switch group is used for manual dimming. The brightness of the COMAND display can be adjusted to the needs of the user by means of the COMAND display brightness control.

Information flow for adjusting screen in COMAND display

The COMAND display swivel left switch, the COMAND display swivel right switch and the COMAND display brightness control are integrated in the cockpit switch group.
The cockpit switch group is read in by the upper control panel control unit (N72/1) via the upper control panel LIN.
The upper control panel control unit places the signals on the interior CAN.
The central gateway control unit (N93) receives the signals on the interior CAN and places them on the central CAN.
The COMAND controller unit (A40/3) reads the signals from the central CAN and places them on the telematics CAN.
The COMAND display reads in the signals from the telematics CAN and actuates the screen display accordingly.

Cockpit central display, component description	GF54.30-P-6100SX
Front central operating unit, component description	GF54.21-P-4500SX