Mercedes-Benz · 2020–2023 · Gas

Mercedes-Benz GLB-Class MPG by year

The EPA has rated 4 model years of the Mercedes-Benz GLB-Class, from 2020 to 2023. The most fuel-efficient year is the 2023, at 27 MPG combined in its best configuration. The best 2023 model is 4% more efficient than the best 2020 model (27 vs. 26 MPG). The 2023 model is 4% more efficient than the median small SUV that year (27 vs. 26 MPG).

Most efficient year202327 MPG combined
Latest (2023)27 MPG$2,194/yr to fuel
First rated (2020)26 MPG$2,279/yr at today's prices
Model years rated411 configurations

Combined MPG by model year

  • GLB-Class, most efficient version
  • Range across configurations
  • Class median

Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.

Every GLB-Class model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
2023 Gas 27 MPG
lowest 23
24 / 32 26 — 3 $2,194
2022 Gas 27 MPG
lowest 22
24 / 32 26 — 3 $2,194
2021 Gas 26 MPG
lowest 23
23 / 31 26 — 3 $2,279
2020 Gas 26 MPG 23 / 30 25 — 2 $2,279

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Compare GLB-Class model years

See how much a newer GLB-Class would save over an older one.

Models similar to the Mercedes-Benz GLB-Class

Other Mercedes-Benz GLB-Class versions

Frequently asked questions

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

The 2022 Mercedes-Benz GLB-Class, rated up to 27 MPG combined. At 15,000 miles a year with $3.95/gal premium gas, that works out to about $2,194 a year.

Which Mercedes-Benz GLB-Class year has the worst fuel economy?

The 2020 model, whose most efficient version is rated 26 MPG combined (about $2,279 a year to fuel).

What is the fuel economy of the latest Mercedes-Benz GLB-Class?

The 2023 Mercedes-Benz GLB-Class is rated up to 27 MPG combined.

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