Mercedes-Benz GLS600 4matic Maybach: MPG and fuel economy by year
The EPA has rated the Mercedes-Benz GLS600 4matic Maybach across 6 model years, from the 2021 Mercedes-Benz GLS600 4matic Maybach through the 2026 Mercedes-Benz GLS600 4matic Maybach. The most recent 2026 Mercedes-Benz GLS600 4matic Maybach returns 15 combined MPG. The most efficient model year was the 2023 Mercedes-Benz GLS600 4matic Maybach at 17 MPG.
Pick a year below to open the full Mercedes-Benz GLS600 4matic Maybach page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Mercedes-Benz GLS600 4matic Maybach. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2026 | 2026 Mercedes-Benz GLS600 4matic Maybach | 15 MPG | 13 MPG | 18 MPG | $4,600 |
| 2025 | 2025 Mercedes-Benz GLS600 4matic Maybach | 15 MPG | 13 MPG | 18 MPG | $4,600 |
| 2024 | 2024 Mercedes-Benz GLS600 4matic Maybach | 16 MPG | 14 MPG | 19 MPG | $4,300 |
| 2023 | 2023 Mercedes-Benz GLS600 4matic Maybach | 17 MPG | 15 MPG | 20 MPG | $4,050 |
| 2022 | 2022 Mercedes-Benz GLS600 4matic Maybach | 17 MPG | 14 MPG | 20 MPG | $4,050 |
| 2021 | 2021 Mercedes-Benz GLS600 4matic Maybach | 16 MPG | 15 MPG | 19 MPG | $4,300 |
How the Mercedes-Benz GLS600 4matic Maybach compares against the Standard Sport Utility Vehicle 4WD class
Buyers usually compare the Mercedes-Benz GLS600 4matic Maybach against other cars in the same EPA class. The list below shows the most efficient cars in the Standard Sport Utility Vehicle 4WD class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.