Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the SmartKey, use the mechanical key.
•► Open the driver's door.
•► Close the front-passenger door, the rear
doors and the trunk lid/tailgate.
•► Press the locking button.
•► Check whether the locking knobs on the
front-passenger door and the rear doors
are still visible. Press down the locking
knobs by hand, if necessary.
•► Close the driver's door.
•► 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 clockwise as far
as it will go to position 1.
•► Turn the mechanical key back and remove
it.
•► Make sure that the doors and the trunk lid/
tailgate are locked.
•► Insert the mechanical key into the
SmartKey.
See also:
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systems
The 4MATIC powertrain at the heart of the Mercedes-Benz GLK-Class is one of
the most capable all-wheel-drive systems on the market. The driving dynamics
systems ESP®, ASR and 4ETS are superbly har ...
Tire size designation, load-bearingcapacity and speed index
1 Tire width
2 Nominal aspect ratio in %
3 Tire code
4 Rim diameter
5 Load bearing index
6 Tire speed rating
Tire data is vehicle-specific and may
deviate from the data in the example.
Ge ...
Load bearing index
The load bearing index (also load index) is a
code that contains the maximum load bearing
capacity of a tire. ...
