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Video Mode, Function - GF82.85-P-2040RRM

Model 190 as of 12/1/18 

as of model year 2019 

With Code 531 (COMAND APS) 

G16682878Courtesy of MERCEDES-BENZ USA

Function requirements for video operation in general 

Video mode, general 

The head unit supports the playback of videos on mobile data media and devices (e.g. a USB stick smartphone) as well as videos (HTML5) from the Internet. The

The mobile data media and devices can be connected via the following components:

The video function can be operated using the:

head unit also prepares compressed video data for displaying on the Audio/COMAND display.

IMPORTANT Internet usage is described elsewhere.

Function sequence for video mode 

The head unit can be switched on using the "Volume adjustment" and "Head unit ON" switch on the right lower control panel.

The right lower control panel transmits the operation signals over the following path:

Drive Unit CAN →

Drive Unit control unit →

Audio LIN→

Audio/COMAND control panel (except code 446 (Touchpad only)) or Touchpad (with code 446 (Touchpad only)) →

Telematics CAN →

Head unit

The media source can be activated with the Audio/COMAND control panel (except code 446 (Touchpad only)) or with the touchpad (with code 446 (Touchpad only) or with code 531 (COMAND APS)). The Audio/COMAND control panel and the touchpad transmit the control signals via the telematics CAN to the head unit.

The video functions can be operated using the head unit multifunction steering wheel button group. The head unit multifunction steering wheel button group sends the control signals via the following route:

Steering wheel electronics →

Steering wheel CAN →

Steering column tube module control unit →

AMG FlexRay →

AMG gateway control unit →

User interface CAN →

Head unit

The head unit receives the audio and video signals from the multimedia connection unit via a USB (Universal Serial Bus) connection. The head unit processes the video signals and transmits them via an HSVL line to the Audio/COMAND display.

The head unit transmits the audio signals to the following components via MOST:

The volume can be adjusted using the "Volume adjustment" and "Head unit ON" switch on the right lower control panel. The right lower control panel transmits the operation signals over the following path:

Drive Unit CAN →

Drive Unit control unit →

Audio LIN→

Audio/COMAND control panel (except code 446 (Touchpad only)) or Touchpad (with code 446 (Touchpad only)) →

Telematics CAN →

Head unit

The volume can be adjusted using the head unit multifunction steering wheel button group. The head unit multifunction steering wheel button group sends the control signals via the following route:

Steering wheel electronics →

Steering wheel CAN →

Steering column tube module control unit →

AMG FlexRay →

AMG gateway control unit →

User interface CAN →

Head unit

  Overview of system components, telematics   GF82.85-P-9999RR