See also:

Important safety notes
WARNING Do not turn off the engine before the vehicle has come to a complete stop. With the engine not running, there is no power assistance for the brake and steering systems. In this case, ...

Opening and closing
Overhead control panel To open To open To close Turn the SmartKey to position 1 or 2 in the ignition lock. Press or pull the switch in the corresponding direction. If you press ...

Cargo & Towing
When properly equipped with the optional trailer hitch, the GLK350 is rated to tow up to 3,500 pounds. ...