Mercedes-Benz GLC 2016-2025 Owners Manual / Opening and closing / SmartKey / Activating/deactivating the acoustic locking verification signal
Mercedes-Benz GLC : SmartKey / Activating/deactivating the acoustic locking verification signal
Multimedia system:
Settings
Vehicle
Activate or deactivate Acoustic Lock.
Overview of SmartKey functions
WARNING Risk of accident and injury
due to children left unattended in the
vehicle
If children are left unsupervised in the vehicle,
they could, in particular:
open doors, thereby endangering other
persons or road users...
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...
Other information:
Mercedes-Benz GLC 2016-2025 Owners Manual: Checking the coolant level
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...
Mercedes-Benz GLC 2016-2025 Owners Manual: Problems with the SmartKey, troubleshooting
You can no longer lock or unlock the vehicle Possible causes: The SmartKey battery is weak or discharged. The SmartKey is faulty. Check the battery using the indicator lamp. Replace the SmartKey battery, if necessary. Use the emergency key to lock or unlock...
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Activating or deactivating the child safety lock for the rear side windows
To activate/deactivate: press button
. The rear side window can be opened or closed in the following cases:
is lit: via the switch on the driver's door
Indicator lamp 
is off: via the switch on the corresponding rear door or driver's door
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