Audio/COMAND Display, Component Description - GF54.30-P-6150RF

Model 205 

Model 253 

View of model 205.0 up to model year 2019 with code 522 (Radio Audio 20) 

Fig 1: Audio/COMAND Display Component Location - Model 205 (Shown On Model 205.0 Up To Model Year 2019 With Code 522)

Courtesy of MERCEDES-BENZ USA

Location 

The Audio/COMAND display is installed at the top center of the instrument panel.

Tasks 

The Audio/COMAND display serves the uniform presentation of user-relevant operating and information windows as well as the presentation of video picture information.

The Audio/COMAND display receives the following signals:

• Control signals (e.g. switch on) over the telematics CAN (CAN A) from the head unit (A26/17)
• Picture signals via the low voltage differential signaling (LVDS) interface (model 205 up to model year 2019, model 253 (except for 253.99) up to model year 2020) or via the high speed video link (HSVL) interface (model 205 as of model year 2019, model 253.99, model 253 (except 253.99) as of model year 2020) from the head unit

The Audio/COMAND display evaluates the input factors in the integrated microprocessor, and actuates the color screen. Model 253 (except 253.99) as of model year 2020: The Audio/COMAND display detects swipe movements and touch movements on the display and transmits the operation signals to the head unit via the telematics CAN.

Variants 

The Audio/COMAND display is available in the following variants:

• 7" display (free standing) (with code 520 (Audio 20 USB)), with code 522 (Audio 20 radio))
• 8.4" HD display (free-standing) (with code 506 (Radio Audio 20 NTG 5.5) or code 531 (COMAND APS))
• 10.25" display with finger navigation (model 253 (except 253.99) as of model year 2020)