See also:

Safety guidelines for seat belts, Emergency Tensioning Devices (ETDs) and air bags
WARNING Damaged seat belts or seat belts that have been subjected to stress in an accident must be replaced. Their anchoring points must also be checked. Only use seat belts installed o ...

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

Maximum loaded vehicle weight
The maximum weight is the sum of the curb weight of the vehicle, the weight of the accessories, the total load limit and the weight of the optional equipment installed at the factory. ...