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 .
Storing settings
WARNING
If you use the memory function on the driver's
side while driving, you could lose control of
the vehicle as a result of the adjustments
being made. There is a risk of an accident.
Only ...
Winter operation
Please bear the following in mind
At the onset of winter, have your vehicle
winterproofed at a qualified specialist
workshop, e.g. at an authorized Mercedes-
Benz Center.
Observe the notes in the ...
Before changing a fuse
X Park the vehicle and apply the parking
brake.
► Switch off all electrical consumers.
► Remove the SmartKey from the ignition
lock.
All indicator lamps in the instrument cluster
m ...