Mercedes-Benz B-Class hatchback 2022 Owner's Manual page 93

90 Opening and closing
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
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. Then proceed to lock the driver's
door using the emergency key.
Remove the emergency key (
#
Insert the emergency key as far as it will go
#
1
into opening in the cover.
Pull and hold the door handle.
#
Pull the cover on the emergency key as
#
straight as possible away from the vehicle until
it releases.
Release the door handle.
#
page 85). To unlock: turn the emergency key anti-clock-
/
#
wise to position 1.
To lock: turn the emergency key clockwise to
#
position 1.
Carefully press the cover onto the lock cylin-
#
der until it engages and is seated firmly.