Function buttons
The COMAND function buttons allow you to select a main function directly.
1 Function button for roller sunblind
2 Function button for radio and CD/DVD or SD card
3 Back button
4 Lumbar support/multicontour seat
5 Function button for telephone and navigation system
6 On/off button for COMAND
7 Volume control
8 Programmable button
Example:
To select the radio or CD menu
directly: press 
button 2 once
or
twice.
See also:
Problems with the SmartKey
Problem
Possible causes/consequences and
Solutions
You cannot lock or unlock the vehicle using
the SmartKey.
The SmartKey battery is discharged or nearly discharged.
...
Replacing the rear window wiper blade
Removing the wiper blade
► Remove the SmartKey from the ignition
lock.
► Fold wiper arm 1 away from the rear
window until it engages.
► Position wiper blade 2 at a right angle ...
Centrally locking and unlocking the
vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside.
The central locking/unlocking button does
not lock or unlock the fuel filler flap.
You cannot unlock the vehicle centrally
from th ...