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 injury or death caused
by the use of damaged child restraint
systems
Child restraint systems or their retaining systems
that have been subjected to stress in
an accident may not be able to perform their
intended protective function...
Requirements:
Tire sealant bottle and tire inflation compressor.
TIREFIT sticker
Gloves (depending on the vehicle equipment)
You can use TIREFIT tire sealant to seal perforation
damage of up to 0.16 in (4 mm), particularly
those in the tire contact surface...