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:
If the left-hand rear seat backrest is folded down
and back up again, it may not be possible to pull
out the rear passenger compartment center seat
belt. The seat belt must be released.
Pull the seat belt out approximately 1 in (25 mm) at the seat belt outlet on the seat backrest and then release it again...
Refueling the vehicle
WARNING Risk of fire or explosion from
fuel
Fuels are highly flammable.
Fire, open flames,
smoking and creation
of sparks must be avoided.
Switch off the ignition
and, if available,
the stationary heater, before and while
refueling the vehicle...