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. Right control panel
3. To switch on the Voice Control System;
see the separate operating instructions
4. Back button
5. Left control panel
See also:
Engine
Display messages
Possible causes/consequences and
Solutions
The coolant level is too low.
– Add coolant, observing the warning notes when doing so.
– If coolant needs ...
4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are permanently driven. Together with ESP®
and ETS, it improves the traction of your vehicle whenever a drive wheel spins due
to insufficient grip.
WARNIN ...
Cup holder in the third row of seats
The cup holders are located in the side trim
on the left and right-hand sides.
1 Cup holders ...
