Mercedes-Benz GLC 2016-2026 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 2016-2026 Owners Manual: 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...
Mercedes-Benz GLC 2016-2026 Owners Manual: Starting assistance and charging the 12 V battery
Requirements: The vehicle is secured with the electric parking brake. Vehicles with automatic transmission: The transmission is in position . The ignition and all electrical consumers are switched off. The hood is open. Example: engine compartment Slide cover of positive clamp on the jump-starting connection point in the direction of the arrow...
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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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