Shown on model 222.0 except model 222.004/057/163 and except code 487 (Active Body Control (ABC)) |
A2/7 | Telephone keypad |
A40/9 | Audio/COMAND control panel |
A40/9s1 | Radio button |
A40/9s2 | "Back" button |
A40/9s3 | Hazard warning system button |
A40/9s4 | Button "Seat" |
A40/9s5 | Telephone button |
A40/9s6 | "ON" button |
A40/9s7 | "CAR" button |
A40/9s8 | Transmission mode button |
A40/9s9 | ECO start/stop function button (except model 222.004/104/057/157) |
A40/9s10 | Navigation button |
A40/9s11 | Audio/COMAND controller |
A40/9s12 | Media button |
A40/9s13 | Volume control button |
A40/9s14 | Vehicle level button |
A40/9s15 | Comfort/Sport button |
P54.21-3333-06
Shown: model 222.163 |
A2/7 | Telephone keypad |
A40/9 | Audio/COMAND control panel |
A40/9s1 | Radio button |
A40/9s2 | "Back" button |
A40/9s3 | Hazard warning system button |
A40/9s4 | Button "Seat" |
A40/9s5 | Telephone button |
A40/9s6 | "ON" button |
A40/9s7 | "CAR" button |
A40/9s8 | Transmission mode button |
A40/9s10 | Navigation button |
A40/9s11 | Audio/COMAND controller |
A40/9s12 | Media button |
A40/9s13 | Volume control button |
A40/9s14 | Vehicle level button |
A40/9s15 | Comfort/Sport button |
A40/9s16 | Operating mode select button |
P54.21-3466-06
Location
The Audio/COMAND control panel is located on the center console.
Tasks
The Audio/COMAND control panel is the central control for the telematics functions. The Audio/COMAND control panel can be used to operate the functions that can be displayed on the Audio/COMAND display. In the process, the Audio/COMAND control panel performs the following tasks individually:
Receiving signals
Sending signals
The volume adjustment button can be turned (up or down) to alter the volume and it can be muted by pressing the audio source.
Receiving signals
The Audio/COMAND control panel receives the following signals:
Circuit 30g and circuit 31 over a direct line
Control signals of telephone keypad via telephone keypad LIN (LIN A2)
CAN messages over telematics CAN (CAN A)
Model 217, 222
up to model year 2018
with code 448 (Touchpad)
The CAN messages from the touchpad are looped through by the Audio/COMAND control panel.
Sending signals
The Audio/COMAND control panel sends the following signals:
Circuit 30g and circuit 31 over direct line to telephone keypad
Inherent control signals and control signals of telephone keypad over the telematics CAN to the COMAND controller unit (A40/3)
Model 217, 222
up to model year 2018
with code 448 (Touchpad)
The CAN messages from the touchpad are looped through by the Audio/COMAND control panel.
Variants
An ECO start/stop function button is not installed in model 222.004/104/057/157.
On vehicles with code 487 (Active Body Control (ABC)) the Comfort/Sport button also bears the inscription "ABC".