Mercedes-Benz GLC : SmartKey / Activating/deactivating the panic alarm
Requirements:
- The ignition is switched off.

To activate: press button
for approximately one second.
A visual and audible alarm is triggered.
To deactivate: briefly press button
again.
or
Press the start/stop button on the cockpit, with the SmartKey inside the vehicle.
Possible unlocking functions of the SmartKey:
Central unlocking
Unlocking the driver's door and fuel filler flap
To switch between settings: press the
and
buttons simultaneously for
approximately six seconds until the indicator
lamp flashes twice...
Other information:
Requirements:
The vehicle has been parked with Active
Parking Assist.
Please note that you are responsible for the vehicle
and surroundings during the entire parking
procedure.
Start the vehicle.
Press button
.
The media display shows the view of Active
Parking Assist...
Some systems will perform a self-test when the
ignition is switched on. Some indicator and
warning lamps may briefly light up or flash. This
behavior is non-critical. These indicator and
warning lamps indicate a malfunction only if they
light up or flash after the engine has been started
or during a journey...