See also:

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. ► Turn the SmartKey to position 2 in the ignition lock. On vehicles with KEYLESS-GO, ...

Folding the exterior mirrors in or out automatically
If the "Fold in mirrors when locking" function is activated in the on-board computer: - the exterior mirrors fold in automatically as soon as you lock the vehicle from the outside. - ...

Optional Features
A number of packages and individual options are available for the GLK350. The Premium Package bundles a number of features, including a panoramic moonroof, power liftgate, a memory feature, Sirius ...