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:
Deactivating/activating ESP®
WARNING
Under no circumstances should you
deactivate ESP® when the ESP®
warning lamp in the instrument cluster
flashes. Proceed as follows:
• when driving off, apply as little throttle as p ...
ESP® trailer stabilization
If your vehicle with trailer (vehicle/trailer
combination) begins to lurch, you can only
stabilize the vehicle/trailer combination by
depressing the brake firmly.
In this situation, ESP® assists ...
Problems with the engine
Problem
Possible causes/consequences and
Solutions
The engine does not start. The starter motor can be
heard.
• There is a malfunction in the engine electronics.
• ...
