See also:

Important notes
In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in position 2 in the i ...

4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are permanently driven. Together with ESP® and 4ETS, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNI ...

Multifunction steering wheel
Multifunction steering wheel Function 1 Multifunction display 2 Audio system/COMAND; see the separate operating instructions 3 Switches on the Voice Control System; see the separate operating ...