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 ignition is switched on.
The starter battery is sufficiently charged.
The Mercedes‑Benz emergency call system triggers
an emergency call automatically in the following
cases:
After activation of the restraint systems such
as airbags or Emergency Tensioning Devices
after an accident
After an automatically initiated emergency
stop by Active Emergency Stop Assist
The emergency call has been made:
A voice connection is made to the
Mercedes‑Benz emergency call center...
Requirements:
The ignition is switched on.
Multimedia system:
Settings
Assistance
Active Brake Assist
Select the desired setting.
The setting is retained when the drive system
is next started.
Deactivating Active Brake Assist
It is recommended that you always leave
Active Brake Assist activated...