Mercedes-Benz GLB 2023 Operator's Manual page 78

Opening and closing
76
Activating/deactivating the automatic locking fea-
ture
The vehicle is locked automatically when the vehi-
cle is switched on and the wheels are turning
faster than walking pace.
To activate: press and hold button
#
approximately five seconds until an acoustic
signal sounds.
To deactivate: press and hold button
#
approximately five seconds until an acoustic
signal sounds.
The red indicator lamp on button
once the vehicle is locked.
In the following situations, there is a danger of
being locked out when the function is activated:
while the vehicle is being tow-started or
R
pushed
if the vehicle is being tested on a roller dyna-
R
mometer
Locking/unlocking the vehicle with the emer-
gency key element
Locking/unlocking the driver's door with the
emergency key element
% If you wish to lock the vehicle entirely using
the emergency key element, first press the
button for locking from the inside while the
driver's door is open. Then proceed to lock
2 for
the driver's door using the emergency key ele-
ment.
1 for % If you unlock and open the driver's door with
the emergency key element, this will trigger
the anti-theft alarm system.
2
lights up
Remove the emergency key element
#
( page 72).
/
Insert the emergency key element as far as it
#
will go into opening
Pull and hold the door handle.
#
1 in the cover.