2020-2026 Mercedes GLA SUV Opening and closing -> Anti-theft protection User Manual
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Opening and closing -> Anti-theft protection for Your Mercedes GLA SUV Second Generation (2020-2026)

The sliding sunroof cannot be closed and you can-
not see the cause.
%
The term "sliding sunroof" also refers to the
panorama sliding sunroof.
If the sliding sunroof is obstructed during closing
and reopens again slightly:
#
Immediately aer automatic reversing, pull
and hold the 3 button down again to the
point of resistance until the sliding sunroof is
closed.
The sliding sunroof will be closed with
increased force.
If the sliding sunroof is obstructed again and
opens again slightly:
#
Repeat the previous step.
The sliding sunroof will be closed again with
increased force.
Vehicles with a panorama sliding sunroof: the slid-
ing sunroof or the roller sunblind is not operating
smoothly.
#
Reset the sliding sunroof and the roller sun-
blind.
Resetting the sliding sunroof and the roller sun-
blind
#
Pull and hold the 3 button little by little
until the sliding sunroof is fully closed.
#
Pull and hold the 3 button little by little
until the roller sunblind is fully closed.
#
Use automatic operation to fully open and
then close the sliding sunroof.
Anti-the protection
Function of the immobiliser
The immobiliser prevents your vehicle from being
started without the correct key.
The immobiliser is automatically activated when
the vehicle is switched o, and deactivated when
the vehicle is switched on.
ATA (Anti-The Alarm system)
▌Function of the ATA system
If the ATA system is primed, a visual and audible
alarm is triggered in the following situations:
R
when a door is opened
R
when the tailgate is opened
R
when the bonnet is opened
R
when interior protection is triggered
(/ page 163)
R
when tow-away protection is triggered
(/ page 162)
The ATA system is primed automatically aer
approximately ten seconds in the following situa-
tions:
R
Aer locking the vehicle with the key
R
Aer locking the vehicle using KEYLESS-GO
Opening and closing
161
F247 0074 02
Indicator lamp 1 ashes when the ATA system is
primed.
The ATA system is deactivated automatically in the
following situations:
R
aer unlocking the vehicle with the key
R
Aer unlocking the vehicle using KEYLESS-GO
R
aer pressing the start/stop button with the
key in the storage compartment
(/ page 249)
▌Deactivating the ATA
#
Press the Ü, ß or p button on the
key.
or
#
Press the start/stop button with the key in the
stowage compartment (/ page 249)
Deactivating the alarm using KEYLESS-GO
#
Grasp the outside door handle with the key
outside the vehicle.
Function of tow-away protection
An audible and visual alarm is triggered if an alter-
ation to your vehicle's angle of inclination is
detected while tow-away protection is primed.
Tow-away protection is automatically primed aer
about 60 seconds:
R
Aer locking the vehicle with the key
R
Aer locking the vehicle using KEYLESS-GO
Tow-away protection is only primed when the fol-
lowing components are closed:
R
Doors
R
Tailgate
Tow-away protection is automatically deactivated:
R
Aer pressing the Ü or p button on the
key
R
Aer pressing the start/stop button with the
key in the storage compartment
(/ page 249)
R
Aer unlocking the vehicle using KEYLESS-GO
R
When using HANDS-FREE ACCESS
Information on collision detection on a parked
vehicle (/ page 319).
Priming/deactivating tow-away protection
Multimedia system:
4
©
5
Settings
5
Vehicle
5
Opening/closing
5
Vehicle protection
#
Prime or deactivate Tow-away protection.
162
Opening and closing
F247 0074 02
Tow-away protection is primed again in the follow-
ing cases:
R
The vehicle is unlocked again.
R
A door is opened.
R
The vehicle is locked again.
Function of interior protection
When interior protection is primed, a visual and
audible alarm is triggered if movement is detected
in the vehicle interior.
Interior protection is primed automatically aer
approximately ten seconds:
R
aer locking the vehicle with the key
R
aer locking the vehicle using KEYLESS-GO
Interior protection is only primed when the follow-
ing components are closed:
R
Doors
R
Tailgate
Interior protection is automatically deactivated:
R
aer pressing the Ü or p button on the
key
R
aer pressing the start/stop button with the
key in the stowage compartment
(/ page 249)
R
aer unlocking the vehicle using KEYLESS-GO
R
when using HANDS-FREE ACCESS
The following situations can lead to a false alarm:
R
when there are moving objects suchas mas-
cots in the vehicle interior
R
if a side window is open
R
if the panoramic sunroof is open
Priming/deactivating interior protection
Multimedia system:
4
©
5
Settings
5
Vehicle
5
Opening/closing
5
Vehicle protection
#
Prime or deactivate Interior motion sensor.
Interior protection is primed again in the following
cases:
R
The vehicle is unlocked again.
R
A door is opened.
R
The vehicle is locked again.
Opening and closing
163
F247 0074 02

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