See also:

Installing the towing eye
Vehicles with a trailer tow hitch: if possible, secure the towing device on the trailer tow hitch. – Remove the towing eye required for frontal or rear coupling from the vehicle tool kit. The ...

2011 Mercedes-Benz GLK-Class Review
It's funny how an automaker can be ahead of the curve one moment and playing catch-up the next. Mercedes-Benz helped make luxury SUVs mainstream when it debuted the midsize M-Class for the 1998 mo ...

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. Press the locking ...