The 2025 Mercedes-Benz GLS 450 4MATIC SUV stands as a paragon of luxury and capability in the full-size SUV segment. With a starting MSRP of $89,200, this vehicle delivers a compelling blend of robust performance, sophisticated technology, and opulent comfort, making it an ideal choice for discerning drivers and families alike.
Under the hood, the GLS 450 is powered by a potent 3.0L inline-6 turbo engine, augmented with mild hybrid drive. This advanced powertrain generates an impressive 375 horsepower and 369 lb-ft of torque, enabling the SUV to accelerate from 0 to 60 mph in a brisk 5.8 seconds. The 9G-TRONIC 9-speed automatic transmission ensures smooth and responsive gear shifts, optimizing both performance and fuel efficiency.
Exterior Elegance and Dimensions
The exterior of the 450 Mercedes Benz GLS exudes a rugged yet elegant aesthetic. Available in classic Black, among other color options, the GLS 450 boasts substantial dimensions that contribute to its commanding presence and spacious interior.
Key exterior dimensions include:
- Wheelbase (A): 123.4 inches
- Overall Length (B): 205.0 inches
- Overall Height (C): 71.8 inches
- Overall Width with Mirrors (D): 84.9 inches
- Overall Width without Mirrors (E): 79.9 inches
- Front Track Width (F): 65.7 inches
- Rear Track Width (G): 66.6 inches
- Curb Weight: 5,545 lbs
These dimensions underscore the GLS 450’s spaciousness and stable stance, essential for both on-road comfort and off-road capability.
Interior Comfort and Capacity
Inside, the 2025 GLS 450 Mercedes Benz offers a luxurious and versatile cabin designed to accommodate up to seven passengers (with a 6-passenger optional configuration). The interior dimensions prioritize passenger comfort across all three rows:
- 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
- Headroom (3rd Row): TBA
- Legroom (3rd Row): 34.6 inches
- Shoulder Room (3rd Row): TBA
- Cargo Capacity: 17.4-84.7 cu ft
The expansive cargo area and flexible seating configurations make the GLS 450 exceptionally practical for both daily commutes and long journeys.
Performance and Fuel Efficiency
The heart of the 450 Mercedes Benz GLS is its meticulously engineered 3.0L inline-6 turbo engine with mild hybrid drive. Key engine specifications 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
- Compression Ratio: 10.5:1
- Construction: Diecast alloy block and head
- Fuel Requirement: Premium unleaded gasoline
- Fuel Capacity: 23.8 gal
This engine delivers a compelling combination of power and efficiency. The GLS 450 achieves an estimated city fuel economy of 19 mpg and a highway fuel economy of 24 mpg. It also adheres to stringent emission standards, with a Bin30/SULEV30 emission certification.
Advanced Engineering and Drivetrain
The 2025 GLS 450 Mercedes Benz incorporates advanced engineering for a superior driving experience:
- Automatic Transmission: 9G-TRONIC 9-speed
- Drive Configuration: 4MATIC® fully variable all-wheel drive
The 4MATIC® all-wheel-drive system ensures optimal traction and stability in various driving conditions, enhancing both safety and performance.
Chassis and Handling
The GLS 450’s chassis is designed for both comfort and dynamic handling:
- 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
The AIRMATIC® suspension and Adaptive Damping System provide a smooth and controlled ride, automatically adjusting to road conditions and driving style.
Wheels and Tires
Standard wheels are 21-inch triple 5-spoke designs, with staggered widths to enhance both aesthetics and handling:
- Wheels: 21-inch triple 5-spoke (10.0×21 front and 11.0×21 rear)
- Tires: 275/45R21 front and 315/40R21 rear, all-season
Feature Highlights and Optional Enhancements
The 2025 Mercedes-Benz GLS 450 is generously equipped with standard features and offers a range of optional packages to personalize and elevate the vehicle. Key feature highlights include:
- 7-passenger capacity (6 optional)
- 3.0L inline-6 turbo with mild hybrid drive engine
- 375 hp power output
- 9G-TRONIC 9-speed automatic transmission
- 17.4-84.7 cu ft cargo capacity
- 5.8 sec 0-60 mph acceleration
- 19 mpg city / 24 mpg highway fuel economy
For those seeking further customization, optional packages like the AMG Line, Night Package, Executive Rear Seat Package PLUS, Exclusive Trim, Pinnacle Trim, and Warmth & Comfort Package offer enhanced styling, luxury, and comfort features.
Conclusion
The 2025 Mercedes-Benz GLS 450 4MATIC SUV delivers a compelling combination of performance, luxury, and versatility. From its potent engine and advanced drivetrain to its spacious and opulent interior, the GLS 450 is engineered to exceed expectations. Whether for daily driving or weekend adventures, the 450 Mercedes Benz GLS is a top-tier choice in the luxury SUV market, offering an unparalleled driving experience and embodying the pinnacle of Mercedes-Benz engineering and design.
Prepaid Maintenance Learn More
Mercedes-Benz Warranties Learn More
Service and Repair Learn More
