See also:

Trailer power supply
The trailer socket of your vehicle is equipped at the factory with a permanent power supply. The permanent power supply is supplied via trailer socket pin 4. You can connect accessories wit ...

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 ...

Switching to Media Interface mode
General notes In extreme cases, starting up individual functions can take up to several minutes – this depends on the external device and its content (e.g. video podcasts). Only use the origin ...