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 the buttons on the multifunction steering wheel.

1 Multifunction display
2 To switch on the Voice Control System; see the separate operating
instructions
3 Right control panel
4 Left control panel
5 Back button
See also:
Limited braking performance on salttreated roads
WARNING
The layer of salt on the brake discs and the brake pads/linings may cause a delay
in the braking effect, resulting in a significantly longer braking distance, which
could lead to an ...
Switching the automatic locking
feature on/off
You can use this function to activate or
deactivate the automatic central locking
feature. If the automatic locking feature is
activated, your vehicle will lock centrally from
a speed of appro ...
High outside temperatures
If DEF heats up to over 122 °F (50 °C) for
extended periods, e.g. as a result of direct
sunlight on the DEF reservoir, DEF can
decompose. Ammonia vapors develop as a
result.
WARNING
When o ...
