Operating the on-board computer
The on-board computer is activated as soon as you turn the SmartKey to position 2 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.



See also:
Towing a vehicle with both axles onthe ground
When having your vehicle towed, observe the
important safety notes.
WARNING
The power assistance for the steering and the
brake force booster do not work when the
engine is not runnin ...
Driving systems
Problem
Possible causes/consequences and
Solutions
The red
distance warning lamp lights up while the vehicle is in motion. A
warning tone also sounds.
Risk of accide ...
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 ...
