Mercedes-Benz M-Class 2007 Owners Manual User Manual
Page 105

104
Safety and Security
Anti-theft systems
Arming the alarm system
The alarm system is armed after you have
locked the vehicle with the SmartKey or
SmartKey with KEYLESS-GO*.
The alarm system indicator lamp is located
to the lower left of the hazard warning
flasher.
1 Alarm system indicator lamp
̈
Make sure all doors and the tailgate are
closed.
̈
Lock the vehicle (
The turn signal lamps flash three times
to indicate that the vehicle is locked.
The alarm system is armed within ap-
proximately 10 seconds. Alarm system
indicator lamp
1 flashes.
Disarming the alarm system
̈
Unlock the vehicle (
The turn signal lamps flash once to
indicate that the alarm system is
disarmed. Indicator lamp
1 goes out.
i
If the alarm stays on for more than
30 seconds, a call to the Response Center is
initiated automatically by the Tele Aid* system
(
page 308) provided that the Tele Aid* service
was subscribed to and properly activated, and
that necessary cellular service and GPS cover-
age are available.
i
If the turn signal lamps do not flash three
times, one of the following elements may not be
properly closed:
ț
a door
ț
the tailgate
Close the respective element and lock the
vehicle again.
i
The alarm system will rearm automatically
again after approximately 40 seconds if neither a
door nor the tailgate is opened.