Mercedes-GLS-Class Benz's SUV has been a mainstay in the luxury SUV segment for many years, and we can't wait to fill you in on all the changes for the 2023 model year. There will be significant improvements in the new GLS's weight, durability, and power efficiency. The GLS's all-wheel drive system makes it suitable for driving on almost any surface. New GLS is not just different in appearance but also in how it operates.