Mercedes-Benz GLC 2016-2025 Owners Manual / Opening and closing / Doors / Activating/deactivating the automatic locking feature
Mercedes-Benz GLC : Doors / Activating/deactivating the automatic locking feature
The vehicle is locked automatically when the ignition is switched on and the wheels are turning faster than walking pace.
To activate: press and
hold button 
for
approximately five seconds until an acoustic
signal sounds.
To deactivate: press and
hold button 
for
approximately five seconds until an acoustic
signal sounds.
In the following situations, there is a danger of being locked out when the function is activated:
- While the vehicle is being tow started/ pushed.
- If the vehicle is being tested on a roller dynamometer.
Problems with KEYLESS-GO, troubleshooting
You can no longer lock or unlock the vehicle
using KEYLESS-GO
Possible causes:
The SmartKey functions have been deactivated.
The SmartKey battery is weak or discharged...
Locking/unlocking the driver's door with the emergency key
If you wish to lock the vehicle entirely using
the emergency key, first press the button for
locking from the inside while the driver's
door is open...
Other information:
Mercedes-Benz GLC 2016-2025 Owners Manual: Smartphone integration (e.g. Android Auto or Apple CarPlay)
If your vehicle is accordingly equipped, you can connect your smartphone or another mobile end device to the vehicle. You can then control them by means of the control elements integrated in the vehicle. Images and audio from the smartphone can be output via the multimedia system...
Mercedes-Benz GLC 2016-2025 Owners Manual: Activating/deactivating Active Brake Assist
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...
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Unlocking/opening the doors from the inside
To unlock and open a front
door: pull door
handle 
.
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