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74
Opening and closing
%
When the Mercedes‑Benz emergency call
system is active and the alarm sounds for
more than 30 seconds, a message is auto‐
matically sent to the Customer Assistance
Center (
page 287).
/
%
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 or ß button on the Smart‐
#
Key.
or
Press the start/stop button with the Smart‐
#
Key in the stowage compartment
(
page 122)
/
Function of the tow-away alarm
An audible and visual alarm is triggered if your
vehicle's angle of inclination is altered while the
tow-away alarm is armed.
The tow-away alarm is automatically armed after
approximately 60 seconds:
after locking the vehicle with the SmartKey
R
The tow-away alarm is only armed when the fol‐
lowing components are closed:
the doors
R
the rear-end door
R
The tow-away alarm is automatically deactiva‐
ted:
after pressing the Ü button on the Smart‐
R
Key
after pressing the start/stop button with the
R
SmartKey in the stowage compartment
(
page 122)
/
Information on collision detection on a parked
vehicle (
page 153).
/
Arming/disarming the tow-away alarm
Multimedia system:
Vehicle
î Vehicle Settings
4
5
Tow-away Protection
5
Activate O or deactivate ª the function.
#
The tow-away alarm is armed again in the follow‐
ing cases:
The vehicle is unlocked again.
R
A door is opened.
R
The vehicle is locked again.
R
Function of the interior motion sensor
When the interior motion sensor is activated, a
visual and audible alarm is triggered if move‐
ment is detected in the vehicle interior.
The interior motion sensor is activated automati‐
cally after approximately ten seconds:
after locking the vehicle with the SmartKey
R
The interior motion sensor is only activated
when the following components are closed:
Doors
R
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