Mercedes-Benz GLC : Doors / 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
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.

To unlock: turn the
emergency key counterclockwise
to position
.
To lock: turn the
emergency key clockwise to
position
.
Carefully press the cover onto
the lock cylinder
until it engages and is seated firmly.
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...
Other information:
WARNING Risk of accident due to
adjusting the vehicle settings while the
vehicle is in motion
You could lose control of the vehicle in the
following situations in particular:
If you adjust the driver's seat, the head
restraint, the steering wheel or the mirror
while the vehicle is in motion
If you fasten your seat belt while the vehicle
is in motion
Before starting the
engine: In particular,
adjust the driver's seat, head restraint,
steering wheel and mirror, and fasten
your seat belt...
Function of Active Brake Assist
Active Brake Assist consists of the following
functions:
Distance warning function
Autonomous braking function
Situation-dependent braking assistance
Vehicles with Driving Assistance Package:
Evasive Steering Assist and cornering
function
Active Brake Assist can help you to minimize the
risk of a collision with vehicles, cyclists or
pedestrians or to reduce the effects of such a
collision...