See also:

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

General notes
The Lane Tracking package consists of Blind Spot Assist (Y page 198) and Lane Keeping Assist. ...

Trailer load/noseweight
The trailer load/noseweight affects the gross weight of the vehicle. If a trailer is attached, the trailer load/noseweight is included in the load along with occupants and luggage. The trailer loa ...