1 To deactivate
2 To activate
■ To deactivate: press and hold button 1 for about five seconds until a tone sounds.
■ To activate: press and hold button 2 for about five seconds until a tone sounds.
If you press one of the two buttons and do not hear a tone, the relevant setting has already been selected.
The vehicle is locked automatically when the ignition is switched on and the wheels are turning.
You could therefore be locked out if:
• the vehicle is being pushed.
• the vehicle is being towed.
• the vehicle is on a roller dynamometer.
You can also switch the automatic locking function on and off using the on-board computer .
Maintenance
Service interval display
Service messages
Information on the type of service and service
intervals (see separate Service Booklet).
You can obtain further information from an
authorized Mercedes-B ...
Off-road driving systems
4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are
permanently driven. Together with ESP® and
4ETS, it improves the traction of your vehicle
whenever a drive wheel spins d ...
Safety systems
...