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When leaving the vehicle, always take the Smart-
Key with you and lock the vehicle. Anyone can
start the vehicle if a valid SmartKey has been le
inside the vehicle.
%
In the event the engine cannot be started (yet
the vehicle's battery is charged), the system is
not operational. Contact an authorized
Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA) or
1-800-387-0100 (in Canada).
A A T T A A (anti-t
(anti-the he alar
alarm syst
m system)
em)
F F unction of t
unction of the AT
he ATA syst
A system
em
If the ATA system is armed, a visual and audible
alarm is triggered in the following situations:
when a door is opened
R
when the trunk lid is opened
R
when the hood is opened
R
when interior protection is triggered
R
(
page 84)
/
when the tow-away alarm is triggered
R
(
page 84)
/
The ATA system is armed automatically a er
approximately ten seconds in the following situa-
tions:
a er the vehicle is locked with the SmartKey
R
a er the vehicle is locked using KEYLESS-GO
R
Indicator lamp
1
ashes when the ATA system is
armed.
Opening and closing
The ATA system is deactivated automatically in the
following situations:
a er the vehicle is unlocked with the Smart-
R
Key
a er the vehicle is unlocked using KEYLESS-
R
GO
a er the start/stop button is pressed with the
R
SmartKey in the stowage compartment
(
page 130)
/
%
When the Mercedes‑Benz emergency call sys-
tem is active and the alarm stays on for more
than 30 seconds, a message is automatically
sent to the customer center (
/
%
In the case of severe battery discharging, the
anti-the alarm system is automatically deac-
tivated to facilitate the next engine start.
Deactivating t
Deactiv
ating the ATA
he ATA
Press the Ü, ß or p button on the
#
SmartKey.
or
Press the start/stop button with the SmartKey
#
in the stowage compartment (
/
83 83
page 293).
page 130)
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