Dominance, Delivered: The 2026 Mercedes-AMG GLS 63 Redefines Flagship Performance
October 22 2025 - Gary Mollohan

The 2026 Mercedes-AMG GLS 63 is the high-performance flagship of Mercedes-Benz’s largest SUV, combining elite luxury with thrilling power. With 603 horsepower and 627 lb-ft of torque from its handcrafted AMG 4.0L V8 biturbo engine, it rockets from 0 to 60 mph in just 4.1 seconds.

Mercedes-AMG’s most commanding SUV blends three-row versatility with unmistakable AMG styling and dynamic capability. It features a bold Panamericana grille, 23-inch wheels, and a tech-rich cabin with exclusive Nappa leather, massaging seats, and the latest MBUX infotainment system. Designed for those who want S-Class comfort with supercar muscle, the GLS 63 delivers prestige, practicality, and performance in one imposing package.

This example in Alpine Grey arrives with a Nappa Leather Interior, Warmth & Comfort Package, AMG Night Package, Active Distance Assist, and much more. See specifications.

Test drive a 2026 Mercedes-AMG GLS 63 today at Isringhausen Imports in downtown Springfield, IL. Or click here to see our entire SUV lineup.