Mercedes-Benz GLC : Anti-theft protection / ATA (anti-theft alarm system)
Function of the ATA system
If the ATA system is armed, a visual and audible
alarm is triggered in the following situations:
- When a door is opened
- When the tailgate is opened
- When the hood is opened
- When the interior motion sensor is triggered
- When the tow-away alarm is triggered
The ATA system is armed automatically after
approximately ten seconds in the following situations:
- After locking the vehicle with the SmartKey
- After locking the vehicle using KEYLESS-GO

Indicator lamp
flashes when the
ATA system
is armed.
The ATA system is deactivated automatically in
the following situations:
- After unlocking the vehicle with the Smart‐
Key
- After unlocking the vehicle using KEYLESS-GO
- After pressing the start/stop button with the
SmartKey in the storage compartment
When the Mercedes‑Benz emergency call
system is active and the alarm stays on for
more than 30 seconds, a message is automatically
sent to the Customer Assistance
Center.
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
,
or
button on the
SmartKey.
or
Press the start/stop button with
the Smart-Key in the stowage compartment
Deactivating the alarm using KEYLESS-GO
Grasp the outside door handle
with the
SmartKey outside the vehicle.
The immobilizer prevents your vehicle from being
started without the correct SmartKey.
The immobilizer is automatically activated when
the ignition is switched off and deactivated when
the ignition is switched on...
This function may not be available in all
countries.
An audible and visual alarm is triggered if an
alteration to your vehicle's angle of inclination is
detected while the tow-away alarm is armed...
Other information:
High beam
Turn signal light, right
High-beam flasher
Turn signal light, left
Use the combination switch to
activate the
desired function.
Switching on high beam
Turn the light switch to the
or
position.
Push the combination switch
beyond the
point of resistance in the direction of arrow
...
With Smartphone Integration, you can use certain
functions on your mobile phone via the multimedia
system display.
Only one mobile phone at a time can be connected
via Smartphone Integration to the multimedia
system. Also for use with two phone mode
with smartphone integration, only one additional
mobile phone can be connected using Bluetooth
® with the multimedia system...