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.
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...
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:
WARNING Risk of becoming trapped if
the seats are adjusted by children
Children could become trapped if they adjust
the seats, particularly when unattended.
When leaving the vehicle,
always take
the SmartKey with you and lock the
vehicle.
Never leave children
unattended in the
vehicle...
Switching climate control on/off
To switch on: set the
airflow to level 1 or
higher using the button.
To switch off: set the
airflow to level 0 using
the button.
If climate control is switched off, the windows
may fog up more quickly. Switch climate control
off only briefly...