See also:

Important safety notes
WARNING Do not adjust the steering wheel while driving. Adjusting the steering wheel while driving, or driving without the steering wheel adjustment feature locked could cause the driver to los ...

Wet roads
WARNING After driving in heavy rain for some time without applying the brakes or through water deep enough to wet brake components, the first braking action may be somewhat reduced. You hav ...

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 ...