See also:

Overview
The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using t ...

Displaying program information
Select Audio in the main function bar by sliding and turning the COMAND controller and press to confirm. Select Audio by sliding the COMAND controller and pressing to confirm. The au ...

Charging the battery
WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions th ...