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:
Setting the rear-compartment air
vents
Setting the center vents in the rear
compartment
1. Rear-compartment air vent thumbwheel
2. Rear-compartment air vent, right
3. Rear control panel for automatic climate
control
4. R ...
Important safety notes
WARNING
Only use fuses that have been approved for
Mercedes-Benz vehicles and that have the
correct fuse rating for the systems
concerned. Do not attempt to repair or bridge
faulty fuses. Us ...
Safety guidelines for seat belts, Emergency Tensioning Devices (ETDs) and air
bags
WARNING
Damaged seat belts or seat belts that have been subjected to stress in
an accident must be replaced. Their anchoring points must also be checked. Only
use seat belts installed o ...
