Unlocking the driver's door (mechanical key)
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be triggered.
•► Take the mechanical key out of the SmartKey.
•► Insert the mechanical key into the lock of the driver's door as far as it will go.

•► Turn the mechanical key counterclockwise
to position 1.
The door is unlocked.
•► Turn the mechanical key back and remove
it.
•► Insert the mechanical key into the
SmartKey.
See also:
Floormat on the driver's side
WARNING
Whenever you are using a floormat, make sure
there is enough clearance and that the
floormat is securely fastened.
The floormat should always be securely
fastened using the fastening ...
Safety
The GLK350 sports all the active safety systems you'd expect in a modern
mom's car (especially a Mercedes): six airbags - including dual-stage driver and
front passenger airbags and side curtain a ...
