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:
The ASSYST PLUS service interval display on the
Instrument Display provides information on the
remaining time or distance before the next
service due date.
You can hide this service display using the back
button on the left-hand side of the steering
wheel...
WARNING Risk of injury or death if a
seat belt is unfastened while the vehicle
is in motion
If the seat belt is released while the vehicle is
in motion, the child safety lock is deactivated
and the child restraint system is no longer
correctly secured...