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Searching for the ultimate full-size luxury 3-row SUV around Ballantyne leads drivers to two flagship contenders: the 2026 Mercedes-Benz GLS and the 2026 BMW X7. While both vehicles provide standard three-row accommodations and turbocharged power, the 2026 Mercedes-Benz GLS sets the standard with superior passenger legroom, higher standard towing capacity, and an unwavering commitment to engineering craftsmanship.
Whether navigating daily commutes in Waxhaw or towing recreational gear out to Matthews, both flagship SUVs feature turbocharged inline-6 and twin-turbo V8 engines equipped with intelligent all-wheel-drive systems. However, the 2026 Mercedes-Benz GLS delivers higher standard towing capacity and smooth mild-hybrid power delivery engineered for effortless highway cruising.
| 2026 Mercedes-Benz GLS 450 4MATIC® SUV | Performance Specs | 2026 BMW X7 xDrive40i |
|---|---|---|
| 3.0L inline-6 turbo w/ mild hybrid drive | Standard Powertrain | 3.0L BMW TwinPower Turbo inline-6 |
| 375 hp @ 5,800–6,100 rpm | Standard Horsepower | 375 hp @ 5,200–6,250 rpm |
| 369 lb-ft @ 1,800–5,000 rpm | Standard Torque | 398 lb-ft @ 1,850–5,000 rpm |
| 4MATIC® fully variable all-wheel drive | Drivetrain | xDrive all-wheel drive |
| 7,700 lbs* | Max Towing Capacity | 7,500 lbs |
| 19 / 24 / 21 mpg* | Fuel Economy (City/Hwy/Comb) | 21 / 25 / 23 mpg |
Drivers seeking visceral performance can elevate their drive with the 510-horsepower 2026 Mercedes-Benz GLS 580 4MATIC® SUV, or command the road in the Handcrafted 2026 Mercedes-AMG® GLS 63 SUV featuring 603 horsepower, AMG® Performance 4MATIC®+ all-wheel drive, and an AMG® SPEEDSHIFT® TCT 9G transmission that accelerates from 0 to 60 mph in just 4.1 seconds.*
A true luxury 3-row SUV must pamper every passenger on long family journeys past Fort Mill, SC. The 2026 Mercedes-Benz GLS prioritizes cabin roominess, offering more legroom across every row and greater standard cargo space behind the third row than the BMW X7.
Beyond raw dimensions, the 2026 Mercedes-Benz GLS transforms everyday travel into a sanctuary of wellness and connectivity. Standard AIRMATIC® air suspension continuously adapts to road surfaces, smoothing out highway imperfections during weekend road trips.
Inside, the intuitive Mercedes-Benz User Experience (MBUX) infotainment system learns your preferences, responding naturally to voice controls for climate, lighting, and navigation. Passengers benefit from available multicontour front seats with massage programs, 64-color ambient lighting, and an available Burmester® Surround Sound system* that creates an acoustic haven on every drive.
At Mercedes-Benz of South Charlotte, we believe purchasing a luxury SUV should match the high standard of the star on the grille. Our dedicated client advisors are committed to providing an elevated, personalized experience tailored to your lifestyle. Explore our select inventory of new Mercedes-Benz GLS models, apply to get pre-approved for financing, or view current luxury vehicle incentives. Visit our showroom in Indian Land, SC or contact Mercedes-Benz of South Charlotte today to schedule your private consultation and test drive.
*Vehicle specifications, dimensions, features, availability, and pricing are based on manufacturer data at the time of publication and are subject to change without notice. All vehicles are subject to prior sale. Stated acceleration rates, fuel economy estimates, and performance metrics are provided for comparison purposes only; actual results vary based on driving style, environmental conditions, elevation, and vehicle load. Maximum towing capacity requires optional factory-installed equipment and a trailer hitch; consult the Operator’s Manual before towing. Financing, pre-approval offers, and manufacturer incentives are subject to credit approval and availability; not all applicants will qualify. See Mercedes-Benz of South Charlotte for complete program details, inventory status, and official terms.