Mercedes-Benz GLC : Doors / Locking/unlocking the vehicle with KEYLESS-GO
Requirements:
- The SmartKey is outside the vehicle.
- The distance between the SmartKey and the
vehicle does not exceed 3 ft (1 m).
- The driver's door and the door at which the
door handle is used are closed.

To unlock the vehicle:
touch the inner surface
of the door handle.
To lock the vehicle:
touch sensor surface
or
.
Convenience closing:
touch recessed sensor
surface
until the closing process
has
been completed.
Further information on convenience closing.
If you open the tailgate from outside, it is automatically
unlocked.
To unlock: press button
.
To lock: press button
.
This does not lock or unlock the fuel filler flap.
The vehicle is not unlocked:
If you have locked the vehicle using the
SmartKey...
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...
Other information:
WARNING Risk of injury or death when
using a rearward-facing child restraint
system while the front passenger airbag
is enabled
If you secure a child in a rearward-facing
child restraint system on the front passenger
seat and the PASSENGER AIR BAG OFF indicator
lamp is off, the front passenger airbag
can deploy in the event of an accident...
Electronic control units are installed in your vehicle.
Control units process data which, for example,
they receive from vehicle sensors, generate
themselves or exchange between themselves.
Some control units are required for the safe
operation of your vehicle, some assist you when
driving, such as driver assistance systems, while
others enable comfort or infotainment functions...