Dimensions for the 2018 Mercedes-Benz GLS63 are dependent on which body type is chosen. The maximum width and height is 1934mm x 1947mm and can vary on the basis of model.

The 2018 Mercedes-Benz GLS63 has maximum towing capacity of 3402kg. Some models also offer heavy-duty or towing option packs which can increase towing capacity, as well as options which can hamper towing capacity. Towing capacities can vary wildly on a large number of factors. These include engine, transmission, model, and options chosen. Always check with the manufacturer or in your vehicles handbook before attempting to tow anything.

Fuel consumption for the 2018 Mercedes-Benz GLS63 is dependent on the type of engine, transmission, or model chosen. The Mercedes-Benz GLS63 currently offers fuel consumption from 12.3L/100km.