2025 Mercedes-Benz GLS 450 4MATIC SUV: Redefining Luxury and Performance

The Mercedes-Benz GLS 450 4MATIC SUV for 2025 continues the legacy of Mercedes-Benz SUVs, building upon the foundations laid by models like the ML-Class. While you might be familiar with the robust ML 450 from the past, the GLS 450 represents the pinnacle of modern Mercedes-Benz SUV engineering and luxury, offering enhanced performance, cutting-edge technology, and unparalleled comfort. This detailed overview explores the key features, specifications, and highlights of the 2025 GLS 450, establishing it as a leader in the premium SUV segment.

The 2025 GLS 450 4MATIC SUV starts at an MSRP of $89,200, delivering a compelling blend of power and sophistication.

Performance and Powertrain

Under the hood, the GLS 450 is powered by a state-of-the-art 3.0L inline-6 turbo engine with mild hybrid drive. This advanced powertrain delivers an impressive 375 horsepower and 369 lb-ft of torque. This translates to brisk acceleration, propelling the SUV from 0 to 60 mph in just 5.8 seconds.

Key performance features include:

  • Engine: 3.0L inline-6 turbo with mild hybrid drive
  • Power: 375 hp @ 5,500-6,100 rpm
  • Torque: 369 lb-ft @ 1,600-4,500 rpm
  • Acceleration (0-60 mph): 5.8 seconds

The 9G-TRONIC 9-speed automatic transmission ensures smooth and responsive gear changes, while the standard 4MATIC® fully variable all-wheel drive system provides confident handling and traction in various driving conditions.

Exterior Design and Dimensions

The GLS 450 boasts a ruggedly elegant exterior design, characterized by its bold stance and refined details. The dimensions of the 2025 model are carefully optimized for both spaciousness and maneuverability.

Key exterior dimensions include:

  • Wheelbase (A): 123.4 inches
  • Overall Length (B): 205.0 inches
  • Overall Height (C): 71.8 inches
  • Overall Width w/ mirrors (D): 84.9 inches
  • Overall Width w/o mirrors (E): 79.9 inches
  • Track Width, Front (F): 65.7 inches
  • Track Width, Rear (G): 66.6 inches
  • Curb Weight: 5,545 lbs

The GLS 450 rides on substantial 21-inch triple 5-spoke wheels, with 275/45R21 front and 315/40R21 rear all-season tires, ensuring a commanding presence on the road.

Interior Comfort and Capacity

Inside, the 2025 GLS 450 offers a luxurious and spacious cabin, designed to accommodate up to seven passengers (with an optional 6-passenger configuration). Premium materials and meticulous craftsmanship are evident throughout the interior.

Key interior features and dimensions:

  • Passenger Capacity: 7 (6 optional)
  • Headroom (1st row): 39.4 inches
  • Legroom (1st row): 40.3 inches
  • Shoulder room (1st row): 59.3 inches
  • Headroom (2nd row): 40.2 inches
  • Legroom (2nd row): 41.9 inches
  • Shoulder room (2nd row): 58.5 inches
  • Legroom (3rd row): 34.6 inches
  • Cargo Capacity: 17.4-84.7 cu ft

The GLS 450 prioritizes passenger comfort with ample headroom and legroom in all three rows. The cargo area is also generous, offering substantial space for luggage and gear, expandable up to 84.7 cubic feet with the rear seats folded.

Fuel Efficiency and Technical Specifications

Despite its powerful engine and size, the GLS 450 achieves respectable fuel economy figures.

  • City Fuel Economy: 19 mpg
  • Highway Fuel Economy: 24 mpg
  • Fuel Capacity: 23.8 gallons

Further technical details include:

  • Compression Ratio: 10.5:1
  • Construction: Diecast alloy block and head
  • Fuel Requirement: Premium unleaded gasoline
  • Automatic Transmission: 9G-TRONIC 9-speed
  • Drive Configuration: 4MATIC® fully variable all-wheel drive
  • Suspension: 4-wheel independent double-wishbone front/multilink rear with self-leveling AIRMATIC® and Adaptive Damping System (ADS)
  • Steering Type: Rack-and-pinion with electromechanical power assist
  • Turning Circle: 41.0 ft

Standard and Optional Features

The 2025 Mercedes-Benz GLS 450 comes generously equipped with a wide array of standard features focused on luxury, safety, and technology. For those seeking further personalization, a comprehensive list of optional features and packages is available.

Optional Packages:

  • AMG Line: Enhances the sporty aesthetic with AMG body styling, 21-inch AMG twin 5-spoke wheels, sport brake system, and AMG interior accents.
  • Night Package: Adds Gloss Black exterior accents and 21-inch AMG twin 5-spoke wheels with black accents for a more aggressive look.
  • Executive Rear Seat Package PLUS: Elevates rear passenger comfort with heated and ventilated 2nd-row seats, massage function, wireless charging, and an MBUX tablet.
  • Exclusive Trim: Adds heated 2nd-row seats and multicontour front seats with massage and rapid heating feature.
  • Pinnacle Trim: Includes all features from the Exclusive Trim, plus Air Balance cabin-air purification and fragrance systems, heated and cooled front cupholders, Head-Up Display, and MBUX Interior Assistant.
  • Warmth & Comfort Package: Provides heated front and 2nd-row armrests for enhanced comfort in colder climates.

Conclusion

The 2025 Mercedes-Benz GLS 450 4MATIC SUV stands as a testament to Mercedes-Benz’s commitment to luxury, performance, and innovation. Building on the heritage of previous models and surpassing expectations in its class, the GLS 450 delivers a compelling package for discerning drivers and families seeking a premium SUV experience. From its potent engine and sophisticated technology to its spacious interior and elegant design, the GLS 450 redefines leadership in the three-row SUV segment. Explore the 2025 GLS 450 to discover how it can elevate your driving experience to new heights.

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