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Mercedes-Benz GLB-Class MPG & Fuel Economy

The 2026 Mercedes-Benz GLB-Class gets up to 28 MPG combined (25 city / 33 highway) in EPA testing.

Latest model year (2026):

The Mercedes-Benz GLB-Class gets up to 28 MPG combined (25 city / 33 highway) in the Auto (AM8), 4 cyl, 2.0 L trim.

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

Mercedes-Benz GLB-Class MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2026Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline253328
2026Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline243327
2026Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline212723
2025Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline243327
2025Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline253328
2025Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline212623
2024Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline212623
2024Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline253328
2024Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline243227
2023Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline212723
2023Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223025
2023Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline243227
2022Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline202722
2022Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline243227
2022Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline223025
2021Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline233126
2021Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline233026
2021Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline212623
2020Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline233126
2020Auto (AM8), 4 cyl, 2.0 L4 2.0LPremium Gasoline233026

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 GLB-Class MPG FAQ

What is the MPG of the Mercedes-Benz GLB-Class?

The Mercedes-Benz GLB-Class gets up to 28 MPG combined (25 city / 33 highway) in the 2026 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Mercedes-Benz GLB-Class trim has the best fuel economy?

The Auto (AM8), 4 cyl, 2.0 L trim offers the best combined fuel economy at 28 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

All Mercedes-Benz GLB-Class specifications

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