The ATA system is armed automatically after
approximately ten seconds in the following situa‐
tions:
R
After locking the vehicle with the SmartKey
R
After locking the vehicle using KEYLESS-GO
Indicator lamp 1 flashes when the ATA system
is armed.
The ATA system is deactivated automatically in
the following situations:
R
After unlocking the vehicle with the Smart‐
Key
R
After unlocking the vehicle using KEYLESS-
GO
R
After pressing the start/stop button with the
SmartKey in the storage compartment
(/ page 126)
%
When the Mercedes‑Benz emergency call
system is active and the alarm stays on for
more than 30 seconds, a message is auto‐
matically sent to the Customer Assistance
Center (/ page 289).
%
In the case of severe battery discharging,
the anti-theft alarm system is automatically
deactivated to facilitate the next engine
start.
Deactivating the ATA
#
Press the Ü, ß or p button on the
SmartKey.
or
#
Press the start/stop button with the Smart‐
Key in the stowage compartment
(/ page 126)
Deactivating the alarm using KEYLESS-GO
#
Grasp the outside door handle with the
SmartKey outside the vehicle.
Opening and closing
83
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