2026 Mercedes-Benz GLS 580 Review
Proudly Serving Greenwich, CT
What’s the Price for the 2026 Mercedes-Benz GLS 580 4MATIC®?
The starting MSRP of the 2026 Mercedes-Benz GLS 580 4MATIC® is $116,150. *
How Many MPG Does the 2026 Mercedes-Benz GLS 580 4MATIC® Get?
The 2026 Mercedes-Benz GLS 580 4MATIC® is capable of achieving 14 mpg in the city and 20 mpg on the highway. **
How Much Cargo Space Does the 2026 Mercedes-Benz GLS 580 4MATIC® Offer?
The 2026 Mercedes-Benz GLS 580 4MATIC® offers up to 17.4 to 84.7 cubic feet of cargo space.
What’s the Seating Capacity of the 2026 Mercedes-Benz GLS 580 4MATIC®?
The 2026 Mercedes-Benz GLS 580 4MATIC® can seat 6 or 7 passengers across three rows of seating depending on the configuration.
Base Engine
4.0L Turbo V8
Horsepower
510 hp
0-60 MPH
4.7 seconds 1
What’s New for the 2026 Mercedes-Benz GLS 580?
The refined GLS 580 is the most luxurious SUV in the 2026 Mercedes-Benz lineup. As a three-row, full-size model, it is also the roomiest and most well-appointed vehicle. In 2026, the GLS 580 is almost unchanged from the 2025 model year. However, two new exterior paint colors are available. What can you expect from the 2026 GLS 580?
The exterior design is flawless, striking a balance between commanding confidence and elite luxury. The model stands tall to ensure maximum headroom and cargo space. From the side view, you can appreciate 22-inch, five-spoke wheels and light accentuation rounding over the fenders. The door panels are elegantly sculpted. On the nose, the grille features four chrome crossbars. The rectangular headlights make a statement with their angled LED accent lights and an LED ribbon that partially encapsulates the unit.
The 2026 GLS 580 features a powerful engine and mechanical components that deliver a smooth ride. Under the hood, the 4.0-liter, twin-turbo V8 EQ Boost engine gives you 510 horsepower and 538 pound-feet of torque. It mates with 4MATIC® all-wheel drive and a nine-speed automatic transmission. The AIRMATIC® air suspension system elevates your ride.
Regardless of which row you sit in, you can appreciate heated and massaging seats and quilted Nappa leather upholstery. The five-zone auto climate control system, premium sound system with 13 speakers, and active ambient lighting add to your enjoyment. Some of the other features available in the 2026 GLS 580 are a 12.3-inch infotainment system screen with an MBUX infotainment system, a digital instrument cluster, wireless Apple CarPlay® and Android Auto®, a panoramic sunroof, a navigation system with augmented reality, soft-close doors, a hands-free liftgate, keyless entry, active distance assistance, PRESAFE® Plus, a rear-seat entertainment system, second-row tablet controls, and other standard and optional features.
2026 Mercedes-Benz GLS 580 for Sale in Greenwich, CT
Our goal at Mercedes-Benz of Greenwich is to fully support every customer as they make a well-informed buying decision. As we work to provide you with the best shopping experience, we will offer personalized, knowledgeable assistance and support you with a test drive of any vehicle that interests you. Visit our Mercedes-Benz showroom today to continue learning about the GLS 580.
2026 Mercedes-Benz GLS 580 FAQs
What engine does the 2026 Mercedes-Benz GLS 580 have?
The 2026 GLS 580 is powered by a 4.0-liter twin-turbo V8 EQ Boost engine producing 510 horsepower and 538 lb-ft of torque. It pairs with a nine-speed automatic transmission and standard 4MATIC® all-wheel drive.
Does the 2026 Mercedes-Benz GLS 580 come with 4MATIC® all-wheel drive?
Yes. The GLS 580 comes standard with Mercedes-Benz 4MATIC® all-wheel drive for enhanced traction and stability.
What’s new for the 2026 GLS 580?
For 2026, the GLS 580 remains largely unchanged but adds two new exterior paint color options.
How many passengers can the 2026 GLS 580 seat?
The GLS 580 is a full-size, three-row luxury SUV that seats up to seven passengers, depending on configuration.
What luxury features come standard on the 2026 GLS 580?
Standard and available features include quilted Nappa leather upholstery, heated and massaging seats, five-zone climate control, a premium sound system, active ambient lighting, panoramic sunroof, and soft-close doors.
Does the 2026 GLS 580 include advanced technology?
Yes. It features a 12.3-inch MBUX infotainment display, digital instrument cluster, wireless Apple CarPlay® and Android Auto®, augmented reality navigation, and available rear-seat entertainment.
What suspension system does the 2026 GLS 580 use?
The GLS 580 comes equipped with AIRMATIC® air suspension, which provides a smooth, refined driving experience.
Where can I test drive the 2026 Mercedes-Benz GLS 580 near Greenwich, CT?
You can schedule a test drive at Mercedes-Benz of Greenwich to experience the 2026 GLS 580 in person.
Images are for illustration purposes only.
* Base MSRP excludes transportation and handling charges, destination charges, taxes, title, registration, preparation and documentary fees, tags, labor and installation charges, insurance, and optional equipment, products, packages and accessories. Options, model availability and actual dealer price may vary. See dealer for details, costs and terms.
** EPA estimated fuel economy. Compare the estimated mpg to the estimated mpg of other vehicles. You may get different mileage depending on how fast you drive, weather conditions and trip length. Your actual highway mileage will probably be less than the highway estimate.
1. Stated rates of acceleration are based upon manufacturer’s track results and may vary depending on model, environmental and road surface conditions, driving style, elevation and vehicle load.