Mercedes-Benz GLB 2023 Operator's Manual page 73

Activating/deactivating the acoustic locking verifi-
cation signal
Multimedia system:
© Settings Vehicle
4 5 5
Activate or deactivate Acoustic Lock.
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Activating/deactivating the panic alarm
Requirements
The vehicle is switched off.
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To activate: press button 1 for approximately
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one second.
A visual and audible alarm is triggered.
To deactivate: briefly press button
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or
Press the start/stop button.
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A key belonging to the vehicle must be detec-
ted in the vehicle.
Changing the unlocking settings
Possible unlocking functions of the SmartKey:
Central unlocking
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Unlocking the driver's door and fuel filler flap
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To switch between settings: press the Ü
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and ß buttons simultaneously for approx-
imately six seconds until the indicator lamp
flashes twice.
Options when the unlocking function for the driv-
er's door and fuel filler flap has been selected:
To unlock the vehicle centrally: press the
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Ü button twice.
Vehicles with KEYLESS-GO: if you touch the
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inner surface of the door handle on the driv-
er's door, only the driver's door and the fuel
filler flap will be unlocked.
1 again. Deactivating the function of the key
Vehicles with KEYLESS-GO: if you deactivate the
function of the key, the KEYLESS-GO functions are
also deactivated. Access or drive authorization by
KEYLESS-GO is then no longer possible with that
particular key. Activate the function of the key so
that all its functions will again be available.
You can also deactivate the function of the key to
reduce the energy consumption of the key if you
do not use the vehicle or a key for an extended
period of time.
Press and hold the ß button on the key.
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With the key button ß pressed, immedi-
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ately press key button Ü twice in quick
succession.
The indicator light of the key lights up once
briefly and once for a long time.
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You have the following options to reactivate
the key:
Press any button on the key.
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Start the vehicle with the key in the center
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console stowage space (
Opening and closing
71
page 148).
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