Mercedes-Benz C-Class 2007 Owners Manual - Manual (Page 91)

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Safety and Security
Anti-theft systems
Arming the alarm system
The indicator lamp is in the center console.
1 Indicator lamp
̈ Lock the vehicle with the SmartKey.
The turn signal lamps flash three times
and an acoustic signal sounds three
times, to indicate that the alarm sys-
tem is armed.
Indicator lamp 1 begins to flash after
approximately 30 seconds after arming
the alarm system.
Disarming the alarm system
̈ Unlock the vehicle with the SmartKey.
The turn signal lamps flash once and an
acoustic signal sounds once, to
indicate that the alarm system is dis-
armed.
Canceling the alarm
To cancel the alarm:
̈ Press the Œ or ‹ button on the
SmartKey.
or
̈ Insert the SmartKey in the starter
switch.
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 trunk
Close the respective element and lock the vehi-
cle again.
i The alarm system will rearm automatically
after approximately 40 seconds if neither a door
nor the trunk lid was opened.