Mercedes-Benz M-Class 2006 Owners Manual - Manual (Page 102)

101
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 ( ୴ page 60).
The turn signal lamps flash three times
to indicate that the alarm system is
activated.
Indicator lamp
1 flashes permanently
to indicate that the alarm system is
armed.
Disarming the alarm system
̈ Unlock the vehicle ( ୴ page 32).
The turn signal lamps flash once to
indicate that the alarm system is
disarmed. Indicator lamp
1 goes out.
i
If the turn signal lamps do not flash
three times, one of the following ele-
ments 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 automati-
cally again after approximately
40 seconds if one of the doors or the
tailgate is not opened.