
1 To deactivate
2 To activate
► To disarm:
press and hold button 1 for about five seconds until a tone sounds.
► To arm
: 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 vehicle's wheels are moving at a speed in excess of 9 mph (15 km/h).
You could therefore be locked out if: • the vehicle is being pushed.
• the vehicle is being towed.
• the vehicle is being tested on a dynamometer.
You can also switch the automatic locking function on and off using the on-board computer .
Parking the vehicle for a long period
If you leave the vehicle parked for longer than
four weeks, the battery may be damaged by
exhaustive discharge.
► Connecting a trickle charger.
You can obtain information about trickle
...
Genuine Mercedes-Benz parts
WARNING
Driving safety may be impaired if nonapproved
parts, tires and wheels or safetyrelevant
accessories are used.
This could lead to malfunctions in safetyrelevant
systems, e.g. the brake s ...
Driving with summer tires
At temperatures below 45 º F (+7 º C), summer
tires lose elasticity significantly, and
therefore traction and braking power as well.
Change the tires on your vehicle to
M+S tires. Usin ...