Discover the 2026 Mercedes-Benz GLS 450 4MATIC

Powerful Performance and Advanced Engineering

The Mercedes-Benz GLS 450 4MATIC showcases Mercedes-Benz engineering excellence with its turbocharged powerplant featuring direct fuel injection technology. The 48-volt mild-hybrid system enhances both performance and efficiency, allowing the vehicle to achieve an EPA-estimated 19 miles per gallon in the city, 24 on the highway, and 21 combined. The generous 23.8-gallon fuel tank provides extended range for long journeys, making it an ideal choice for families throughout Boston who enjoy weekend getaways.

The substantial dimensions of the Mercedes-Benz GLS 450 contribute to its commanding road presence. Measuring 205.0 inches in overall length with a wheelbase of 123.4 inches, this full-size SUV offers exceptional interior space while maintaining elegant proportions. The vehicle stands 71.8 inches tall and spans 79.9 inches wide, creating a spacious cabin that comfortably accommodates up to seven passengers. Standard 21-inch Triple 5-Spoke wheels with 275/45R21 front and 315/40R21 rear tires complete the sophisticated exterior appearance.

Customize Your Mercedes-Benz GLS 450 with Available Packages

The 2026 Mercedes-Benz GLS 450 4MATIC offers an extensive range of optional packages and equipment to tailor the vehicle to your specific preferences. The AMG Line Exterior package transforms the appearance with AMG rear apron styling, side skirts in body color, larger front brake system, AMG brushed stainless steel sports pedals, and the distinctive AMG Sport 3-Twin-Spoke steering wheel with flattened bottom and silver chrome shift paddles.

For enhanced comfort, consider the Exclusive Trim Package featuring heated rear seats, active multicontour front seats with massage feature, and rapid heating front seats. The Pinnacle Trim Package elevates the experience further with Mercedes star pattern logo projectors, head-up display, MBUX Interior Assistant, temperature controlled cupholders, and the AIR BALANCE cabin fragrance system. Families seeking the ultimate rear passenger comfort will appreciate the Executive Rear Seat Package, which includes multi-contour rear seats with massage, rear side airbags, heated and active ventilated rear seats, MBUX rear tablet, and wireless charging in the rear compartment.

The Warmth and Comfort Package adds heated rear armrests, rapid heating front seats, and a heated front armrest for cold weather luxury. Those who prefer a more intimate seating configuration can opt for the 6-Seat Configuration, which features a 2+2+2 arrangement with second-row captain's chairs and armrests. Audiophiles will appreciate the available Burmester High End 3-D Surround Sound System with Dolby Atmos, 29 speakers including subwoofer, and a powerful 1610-watt amplifier. Drivers from Westborough seeking enhanced climate control can add the 5-Zone Climate Control system with additional air vents in the headliner.