Mercedes-Benz A-Class Operator's Manual page 87

Indicator lamp 1 ashes when the ATA system is
armed.
The ATA system is deactivated automatically in the
following situations:
A er unlocking the vehicle with the SmartKey
R
A er unlocking the vehicle using KEYLESS-GO
R
A er pressing the start/stop button with the
R
SmartKey in the marked space (
/
%
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 Assistance Center
( page 247).
/
% In the case of severe battery discharging, the
anti-the alarm system is automatically deac-
tivated to facilitate the next engine start.
Deactiv Deactivating t 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 (
Deactiv Deactivating t ating the alar he alarm using KEYLESS-GO m using KEYLESS-GO
Grasp the outside door handle with the Smart-
#
Key outside the vehicle.
F F unction of t unction of the tow he tow-awa -away alarm
% This function may not be available in all coun-
tries.
page 129)
An audible and visual alarm is triggered if an alter-
ation to your vehicle's angle of inclination is
detected while the tow-away alarm is armed.
The tow-away alarm is automatically armed a er
approximately 60 seconds:
A er locking the vehicle with the SmartKey
R
A er locking the vehicle using KEYLESS-GO
R
The tow-away alarm is only armed when the fol-
lowing components are closed:
Doors
R
Trunk lid
R
The tow-away alarm is automatically deactivated:
page 129)
/
A er pressing the Ü or p button on the
R
SmartKey
A er pressing the start/stop button with the
R
SmartKey in the marked space (
A er unlocking the vehicle using KEYLESS-GO
R
When using HANDS-FREE ACCESS
y alarm
R
Information on collision detection on a parked
vehicle (
Opening and closing
page 129)
/
page 153).
/
85 85