AutoSpecData

Mercedes-Benz GLS-Class Vehicle Class & EPA Size Category

The EPA classifies the 2026 Mercedes-Benz GLS-Class as a Standard Sport Utility Vehicle 4WD, a rating based on body style and interior volume.

Latest model year (2026):

The Mercedes-Benz GLS-Class is classified by the EPA as a Standard Sport Utility Vehicle 4WD.

Verifiedfueleconomy.gov · Verified August 11, 2026
OverviewMPGEngine SpecsFuel CostTransmissionDrivetrainVehicle ClassMaintenance

Mercedes-Benz GLS-Class Vehicle Class — All Years

YearTrimVehicle ClassDriveFuel TypeMPG Comb.
2026Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline21
2026Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline16
2026Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline15
2026Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline17
2025Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline21
2025Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline15
2025Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline16
2025Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline15
2024Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline21
2024Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline16
2024Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline16
2024Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline16
2023Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline20
2023Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline16
2023Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline17
2023Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline18
2022Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline20
2022Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline15
2022Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline18
2022Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WDAll-Wheel DrivePremium Gasoline17
2021Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline21
2021Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline18
2021Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline16
2021Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline16
2020Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline21
2020Auto 9-spd, 8 cyl, 4.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline18
2019Auto 7-spd, 8 cyl, 5.5 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline15
2019Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline18
2019Auto 9-spd, 8 cyl, 4.7 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline16
2018Auto 7-spd, 8 cyl, 5.5 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline15
2018Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline19
2018Auto 9-spd, 8 cyl, 4.7 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline16
2017Auto 7-spd, 8 cyl, 5.5 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline14
2017Auto 9-spd, 6 cyl, 3.0 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline19
2017Auto 9-spd, 8 cyl, 4.7 LStandard Sport Utility Vehicle 4WD4-Wheel DrivePremium Gasoline16

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Mercedes-Benz GLS-Class Vehicle Class FAQ

What class of vehicle is the Mercedes-Benz GLS-Class?

The EPA classifies the Mercedes-Benz GLS-Class as a Standard Sport Utility Vehicle 4WD. This classification is based on interior volume and body style and affects how its fuel economy is compared with other vehicles.

Is the Mercedes-Benz GLS-Class considered a small or large vehicle?

Based on its EPA class (Standard Sport Utility Vehicle 4WD), the Mercedes-Benz GLS-Class is grouped with vehicles of similar size and interior volume. The class can change between model years when the body is redesigned.

All Mercedes-Benz GLS-Class specifications

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