Reach the peak of excellence when you climb aboard the 2026 Mercedes-Benz GLS SUV, a CUV built with an eye for detail. There’s no telling where the road will take you, but in this Mercedes-Benz SUV, you’ll look sharp the entire time. When you stop by Mercedes-Benz of Smithtown, you’ll get a detailed walkthrough of the GLS SUV where you can learn about available trims and options. Learn what else you can expect when you sign up for a test drive in Saint James.