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:
WARNING Risk of accident due to
adjusting vehicle settings while the vehicle
is in motion
You could lose control of the vehicle in the
following situations in particular:
If you adjust the driver's seat, the head
restraints, the steering wheel or the mirror
while the vehicle is in motion...
WARNING Risk of burns from hot component
parts in the engine compartment
Certain component parts in the engine compartment
can be very hot, e.g. the engine,
the cooler and parts of the exhaust system.
Allow the engine to cool
down and only
touch component parts described in
the following...