The 2025 Mercedes-Benz GLS 450 4MATIC SUV stands as a paragon of luxury and versatility, offering a compelling blend of spaciousness, advanced technology, and refined performance. For those seeking an extra touch of sportiness and dynamic flair, the AMG Line package transforms the GLS 450 into an even more desirable machine, hinting at the legendary Mercedes-AMG performance pedigree. While not a full-fledged AMG model, the GLS 450 with the AMG Line delivers an enhanced aesthetic and driving experience that resonates with enthusiasts and discerning drivers alike.
Unpacking the Performance and Specifications of the GLS 450
At its heart, the GLS 450 boasts a potent 3.0L inline-6 turbo engine with mild hybrid drive, delivering a robust 375 horsepower and 369 lb-ft of torque. This powertrain enables the large SUV to accelerate from 0 to 60 mph in a brisk 5.8 seconds, providing confident performance for both city driving and highway cruising. Paired with a smooth and responsive 9G-TRONIC 9-speed automatic transmission and the 4MATIC fully variable all-wheel drive system, the GLS 450 ensures composed handling and traction in various driving conditions.
Key Performance Figures:
- Acceleration (0-60 mph): 5.8 seconds
- Power: 375 hp @ 5,500-6,100 rpm
- Torque: 369 lb-ft @ 1,600-4,500 rpm
- Engine: 3.0L inline-6 turbo with mild hybrid drive
- Transmission: 9G-TRONIC 9-speed automatic
- Drive: 4MATIC® fully variable all-wheel drive
Fuel efficiency is also noteworthy for a vehicle of this size, with the GLS 450 achieving an estimated 19 mpg in the city and 24 mpg on the highway. This balance of power and relative efficiency makes it a practical choice for daily use and longer journeys.
Dimensions and Space: A True Family SUV
The GLS 450 is generously proportioned, offering seating for seven passengers as standard, with a six-passenger configuration available as an option for enhanced second-row comfort. The cabin is designed with passenger space in mind, providing ample headroom and legroom in the first and second rows. While third-row headroom details are still to be announced (TBA), the legroom is a respectable 34.6 inches, making it usable for adults on shorter trips or ideal for children.
Exterior Dimensions:
- Wheelbase: 123.4 inches
- Overall Length: 205.0 inches
- Overall Height: 71.8 inches
- Overall Width (with mirrors): 84.9 inches
- Overall Width (without mirrors): 79.9 inches
- Curb Weight: 5,545 lbs
Interior Dimensions (Passenger):
- 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 space is also a strong suit, ranging from 17.4 cubic feet behind the third row to a substantial 84.7 cubic feet with the second and third rows folded down. This makes the GLS 450 exceptionally practical for families and individuals with active lifestyles.
AMG Line: Sporty Enhancement for the GLS 450
The optional AMG Line package elevates the GLS 450’s visual appeal and driving dynamics. This package incorporates several key upgrades:
- AMG Body Styling: Distinctive AMG-designed front and rear bumpers, side skirts, and wheel arch flares lend a more aggressive and sporty stance to the SUV.
- 21-inch AMG Twin 5-Spoke Wheels: Larger and more visually striking wheels not only enhance the aesthetics but can also improve handling response.
- Sport Brake System: Upgraded brakes provide enhanced stopping power and contribute to a more confident driving experience.
- Sport Steering Wheel & Pedals: Interior enhancements like a sport steering wheel and brushed stainless steel pedals add a sporty touch to the cabin.
- AMG Floor Mats: Subtle AMG branded floor mats complete the package, adding a final touch of sporty refinement.
For those desiring an even bolder look, the Night Package can be combined with the AMG Line, adding gloss black exterior accents and wheels with black accents for a more menacing appearance.
Luxury and Technology: Standard and Optional Features
Beyond performance and styling, the GLS 450 is laden with luxury and technology features. Standard features are comprehensive, while a wide array of optional packages allow buyers to personalize their vehicles to an even greater degree.
Notable Optional Packages:
- Executive Rear Seat Package PLUS: Transforms the second row into a haven of comfort with heated and ventilated seats, massage functions, wireless charging, and an MBUX tablet for rear passenger control.
- Exclusive Trim: Adds heated second-row seats and multicontour front seats with massage, enhancing overall comfort.
- Pinnacle Trim: Builds upon the Exclusive Trim with features like Air Balance cabin-air purification and fragrance systems, heated and cooled front cupholders, Head-Up Display, and more, reaching the pinnacle of luxury.
- Warmth & Comfort Package: Provides heated front and second-row armrests for enhanced comfort in colder climates.
Conclusion: The Mercedes GLS 450 AMG Line – A Compelling Luxury SUV
The 2025 Mercedes-Benz GLS 450 4MATIC SUV, especially when equipped with the AMG Line package, represents a compelling option in the luxury SUV segment. It masterfully blends spaciousness, powerful yet efficient performance, advanced technology, and a touch of AMG-inspired sportiness. Whether you prioritize family practicality, luxurious comfort, or a more engaging driving experience, the GLS 450 AMG Line delivers on multiple fronts, making it a truly versatile and desirable vehicle. For those interested in experiencing the GLS 450 firsthand, exploring local Mercedes-Benz inventory or building a custom model online are excellent next steps.
