2025-2026 Mercedes G Class SUV Opening and closing -> Anti-theft protection User Manual
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Opening and closing -> Anti-theft protection for Your Mercedes G Class SUV Fifth Generation (2025-2026)

180
Anti-theft 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 off,
and deactivated when the vehicle is switched on.
ATA (Anti-Theft Alarm system)
FUNCTION OF THE ATA SYSTEM
IF THE ATA SYSTEM IS PRIMED, A VISUAL AND AUDIBLE ALARM IS
ISSUED IN THE FOLLOWING SITUATIONS:
R
when a door is opened
R
when the rear-end door is opened
R
when the bonnet is opened
R
when the interior protection is triggered (/page182)
R
when the tow-away protection is triggered (/page181)
THE ATA SYSTEM IS PRIMED AUTOMATICALLY AFTER APPROXIMATELY
TEN SECONDS IN THE FOLLOWING SITUATIONS:
R
After locking the vehicle with the key
R
After locking the vehicle using KEYLESS-GO
The indicator lamp 1 flashes when the ATA system is primed.
THE ATA SYSTEM IS DEACTIVATED AUTOMATICALLY IN THE FOLLOWING
SITUATIONS:
R
After unlocking the vehicle with the key
R
After unlocking the vehicle using KEYLESS-GO
R
After pressing the Start/Stop button with the key in the storage compart‐
ment (/page263)
DEACTIVATING THE ATA SYSTEM ALARM
#
Press the button Ü or ß on the key.
or
#
Press the Start/Stop button with the key in the storage compartment
(/page263)
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181
DEACTIVATING THE ALARM USING KEYLESS-GO:
#
Cover the outside door handle with the key outside the vehicle.
The distance between key and vehicle here should not be greater than
1 m.
Emergency Key Deactivation
REQUIREMENTS:
R
Your smartphone and your vehicle have an active data connection.
R
The vehicle battery is sufficiently charged.
R
To deactivate all keys: there is no other key in the vehicle.
R
There are no persons or animals in the vehicle.
R
The vehicle is parked in a safe place.
%
Only use the Emergency Key Deactivation function in an emer‐
gency.
%
If you deactivate all keys, they can only be reactivated within 30
days. After 30 days or if the battery state of charge is low, the
vehicle must be unlocked and opened using the emergency key.
Where is the vehicle key? Misplaced, lost or stolen?
Emergency Key Deactivation provides you with the option to deactivate spe‐
cific keys or all vehicle keys in the event of loss or theft, and to reactivate
them when the keys have been found again.
Here's how it works:
#
Open S in the Mercedes-Benz App and select the vehicle.
The
My garage menu appears.
#
Select Service management.
#
Activate Emergency Key Deactivation.
DEACTIVATE SPECIFIC KEYS OR ALL KEYS
#
Select y in the Mercedes-Benz App.
#
Select Emergency Key Deactivation.
#
Deactivate specific keys
or Deactivate all keys.
#
Select Confirm.
#
Enter the four-digit PIN and select Send.
The request will be sent. If deactivation is successful, you will receive a
message that a specific key or all keys have been deactivated.
ACTIVATE ALL KEYS
#
Select Emergency Key Deactivation.
#
Select Activate all keys.
#
Enter the four-digit PIN and select Send.
The request will be sent. If activation is successful, you will receive a
message that all keys have been activated.
Function of tow-away protection
A visual and audible alarm is triggered if an alteration to your vehicle's angle of
inclination is detected while tow-away protection is primed.
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182
TOW-AWAY PROTECTION IS AUTOMATICALLY PRIMED AFTER ABOUT
60SECONDS:
R
After locking the vehicle with the key
R
After locking the vehicle using KEYLESS-GO
TOW-AWAY PROTECTION IS ONLY PRIMED WHEN THE FOLLOWING COM‐
PONENTS ARE CLOSED:
R
Doors
R
Rear-end door
TOW-AWAY PROTECTION IS AUTOMATICALLY DEACTIVATED:
R
After pressing the button Ü on the key
R
After pressing the start/stop button with the key in the storage compart‐
ment (/page263)
R
After unlocking the vehicle using KEYLESS-GO
Information on collision detection on a parked vehicle (/page319).
Priming/deactivating tow-away protection
Multimedia system:
4
©
5
Settings
5
Vehicle
5
Open/close
5
Vehicle protection
#
Activate or deactivate Tow-away protection.
TOW-AWAY 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.
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 AFTER APPROX‐
IMATELY TEN SECONDS:
R
After locking the vehicle with the key
R
After locking the vehicle using KEYLESS-GO
INTERIOR PROTECTION IS ONLY PRIMED WHEN THE FOLLOWING COMPO‐
NENTS ARE CLOSED:
R
Doors
R
Rear-end door
INTERIOR PROTECTION IS AUTOMATICALLY DEACTIVATED:
R
After pressing the button Ü on the key
R
After pressing the start/stop button with the key in the storage compart‐
ment (/page263)
R
After unlocking the vehicle using KEYLESS-GO
THE FOLLOWING SITUATIONS CAN LEAD TO A FALSE ALARM:
R
When there are moving objects suchas mascots in the vehicle interior
R
If a side window is open
R
If the sliding sunroof is open
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Priming/deactivating interior protection
Multimedia system:
4
©
5
Settings
5
Vehicle
5
Open/close
5
Vehicle protection
#
Activate or deactivate Interior protection.
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.
G-Class - Owner's Manual
Opening and closing Anti-theft protection
F465 0034 02

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