2026 Mercedes-Benz GLS 580 Review, Specs & Price (Brochure)
This blog provides a comprehensive review of the 2026 Mercedes-Benz GLS 580 SUV, including details on its performance, engine specs, luxury features, safety technology, price, and real-world gas mileage. Find out what makes this full-size luxury SUV unique and decide if it’s the right choice for going in comfort while still having a lot of power.
Pricing
The 2026 Mercedes-Benz GLS 580 SUV has a starting Manufacturer’s Suggested Retail Price (MSRP) of $117,500.
| Trim Level | Engine | Horsepower | 0–60 MPH | Est. Total Price (MSRP + Destination) |
|---|---|---|---|---|
| GLS 450 4MATIC | 3.0L Inline-6 Turbo | 375 hp | 5.8 sec | $92,800 |
| GLS 580 4MATIC | 4.0L V8 Biturbo | 510 hp | 4.7 sec | $117,500 |
| AMG GLS 63 | Handcrafted 4.0L V8 | 603 hp | 4.1 sec | $152,400 |
| Maybach GLS 600 | 4.0L V8 Biturbo | 550 hp | 4.7 sec | $182,600 |
What’s New for the 2026 Mercedes-Benz GLS 580
The 2026 Mercedes-Benz GLS 580 SUV’s twin-turbo V8 engine is mostly the same, but it gets some new features for the year. It comes with upgraded luxury and technology packages, new exterior paint colours, and updated style details. New design packages are now available that add unique accents, and for 2026, the SUV has better comfort, capability, and on-road appearance thanks to updated driver-assistance features and better suspension tuning.
Previous 4 Years Sales Chart of 2026 Mercedes-Benz GLS 580 
Colour Availability of the 2026 Mercedes-Benz GLS 580
The 2026 Mercedes-Benz GLS 580 SUV is available in a total of 11 exterior colours. This palette is divided between standard non-metallic options, metallic finishes, and premium MANUFAKTUR selections.
- Black (Non-metallic)
- Polar White (Non-metallic)
- Obsidian Black Metallic
- Silver Metallic
- Grey Metallic
- Alpine Grey
- White Metallic
- Light Blue Metallic
- Blue Metallic
- Light Blue Metallic
- Mid Green Metallic
Specifications
Exterior Dimensions
| Feature | Specification |
|---|---|
| Wheelbase (inches) | 123.4 |
| Length (inches) | 205.2 |
| Width, without mirrors (inches) | 79.9 |
| Height (inches) | 71.8 |
| Front Track Width (inches) | 67.1 |
| Rear Track Width (inches) | 68.2 |
| Minimum Ground Clearance (inches) | 7.9 |
| Rear Door Opening Height (inches) | NA |
| Rear Door Opening Width (inches) | NA |
| Liftover Height (inches) | NA |
Interior Dimensions
| Feature | Specification |
|---|---|
| Passenger / Seating Capacity | 7 |
| Total Passenger Volume (cubic feet) | NA |
| Front Head Room (inches) | 39.4 |
| Front Leg Room (inches) | 40.3 |
| Front Shoulder Room (inches) | 59.3 |
| Front Hip Room (inches) | NA |
| Second Row Head Room (inches) | 40.2 |
| Second Row Leg Room (inches) | 41.9 |
| Second Row Shoulder Room (inches) | 58.5 |
| Second Row Hip Room (inches) | NA |
| Third Row Head Room (inches) | 38.9 |
| Third Row Leg Room (inches) | 34.6 |
| Third Row Shoulder Room (inches) | 50.3 |
| Third Row Hip Room (inches) | NA |
Cargo Area Dimensions
| Feature | Specification |
|---|---|
| Cargo Space Behind First Row (inches) | 79.7 |
| Cargo Space Behind Second Row (inches) | 54.2 |
| Cargo Space Behind Third Row (inches) | 22.4 |
| Cargo Space Width at Beltline (inches) | NA |
| Cargo Bed Width Between Wheelhousings (inches) | NA |
| Cargo Bed Height (inches) | 34.7 |
| Cargo Space Behind Front Row (cubic feet) | 84.7 |
| Cargo Space Behind Second Row (cubic feet) | 42.7 |
| Cargo Space Behind Third Row (cubic feet) | 17.4 |
Engine
| Feature | Specification |
|---|---|
| Engine Order Code | NA |
| Engine Type and Required Fuel | Twin Turbo Gas/Electric V-8 |
| Displacement (liters/cubic inches) | 4.0 L / 243 |
| Fuel System | Gasoline Direct Injection |
| Maximum Horsepower @ RPM | 510 @ 5500 |
| Maximum Torque @ RPM | 538 @ 2000 |
| Cooling System Capacity (quarts) | NA |
Drivetrain
| Feature | Specification |
|---|---|
| Vehicle | Standard SUV 4WD |
| Drivetrain | All-Wheel Drive |
| Transmission Order Code | NA |
| Transmission Description | Automatic w/OD |
| Number of Transmission Speeds | 9 |
| First Gear Ratio (:1) | 5.35 |
| Second Gear Ratio (:1) | 3.24 |
| Third Gear Ratio (:1) | 2.25 |
| Fourth Gear Ratio (:1) | 1.64 |
| Fifth Gear Ratio (:1) | 1.21 |
| Sixth Gear Ratio (:1) | 1.00 |
| Seventh Gear Ratio (:1) | 0.86 |
| Eighth Gear Ratio (:1) | 0.72 |
| Ninth Gear Ratio (:1) | NA |
| Reverse Ratio (:1) | 4.80 |
| Final Drive Axle Ratio (:1) | 3.27 |
| Transfer Case Gear Ratio, high (:1) | NA |
| Transfer Case Gear Ratio, low (:1) | NA |
| Clutch Size | NA |
Fuel and MPG
| Feature | Specification |
|---|---|
| EPA Greenhouse Gas Score | 3.0 |
| CO2 Emissions, 15K mi/year (tons) | 8.9 |
| Range, city/highway (miles) | 333.2 / 476.0 |
| EPA Fuel Economy, combined/city/highway (mpg) | 16 / 14 / 20 |
| Fuel Capacity / Gas Tank Size (gallons) | 23.8 |
| Aux Fuel Tank Capacity (gallons) | NA |
Steering and Brakes
| Feature | Specification |
|---|---|
| Steering Type | Rack-Pinion |
| Steering Ratio (:1) | NA |
| Turns, lock to lock | NA |
| Turning Diameter / Radius, curb to curb (feet) | 39.4 |
| Turning Diameter / Radius, wall to wall (feet) | NA |
| Brake Type | 4-Wheel Disc |
| Anti-Lock-Braking System | 4-Wheel |
| Front Brake Rotors, diameter x thickness (inches) | 14.8 |
| Rear Brake Rotors, diameter x thickness (inches) | 13.6 |
| Rear Drums, diameter x width (inches) | NA |
Tires and Wheels
| Feature | Specification |
|---|---|
| Front Wheel Size (inches) | 22 x 9.5 |
| Front Wheel Material | Aluminum |
| Front Tire Size | P285/45YR22 |
| Rear Wheel Size (inches) | 22 x 11.5 |
| Rear Wheel Material | Aluminum |
| Rear Tire Size | P325/40YR22 |
| Spare Wheel Size (inches) | Collapsible |
| Spare Wheel Material | Aluminum |
| Spare Tire Size | Collapsible |
Battery and Electrical
| Feature | Specification |
|---|---|
| Cold Cranking Amps @ 0° F | NA |
| Maximum Alternator Capacity (amps) | NA |
Frequently Asked Questions
What type of vehicle is the 2026 Mercedes‑Benz GLS 580?
The GLS 580 is a full‑size luxury 3‑row SUV with all‑wheel drive and seating for up to 7 passengers, blending premium comfort with performance.
What engine and performance does the GLS 580 have?
It comes with a 4.0‑liter twin‑turbo V8 that makes around 510 hp and 538 lb‑ft of torque, paired with a 9‑speed automatic transmission.
What is the fuel economy and range?
EPA estimates are approximately 14 mpg city and 20 mpg highway with a 23.8‑gallon tank, giving a substantial driving range.
How much does the GLS 580 cost?
Pricing for the 2026 GLS 580 starts around $116,000‑$117,000 MSRP, making it a premium entry in the luxury SUV segment.
