Mercedes-Benz · 2016–2023 · Gas

Mercedes-Benz GLC-Class MPG by year

The EPA has rated 8 model years of the Mercedes-Benz GLC-Class, from 2016 to 2023. The most fuel-efficient year is the 2021, at 25 MPG combined in its best configuration. The best 2023 model is 8% less efficient than the best 2016 model (22 vs. 24 MPG). The 2023 model is 15% less efficient than the median small SUV that year (22 vs. 26 MPG).

Most efficient year202125 MPG combined
Latest (2023)22 MPG$2,693/yr to fuel
First rated (2016)24 MPG$2,469/yr at today's prices
Model years rated835 configurations

Combined MPG by model year

  • GLC-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 GLC-Class model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
2023 Gas 22 MPG
lowest 20
20 / 26 26 — 2 $2,693
2022 Gas 24 MPG
lowest 19
22 / 27 26 — 5 $2,469
2021 Gas 25 MPG
lowest 17
22 / 29 26 — 6 $2,370
2020 Gas 24 MPG
lowest 18
22 / 29 25 — 4 $2,469
2019 Gas 24 MPG
lowest 18
22 / 27 26 — 6 $2,469
2018 Gas 24 MPG
lowest 18
22 / 28 25 — 6 $2,469
2017 Gas 24 MPG
lowest 20
22 / 28 25 — 4 $2,469
2016 Gas 24 MPG 22 / 28 25 — 2 $2,469

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

Compare GLC-Class model years

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

Models similar to the Mercedes-Benz GLC-Class

Other Mercedes-Benz GLC-Class versions

Frequently asked questions

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

The 2021 Mercedes-Benz GLC-Class, rated up to 25 MPG combined. At 15,000 miles a year with $3.95/gal premium gas, that works out to about $2,370 a year.

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

The 2023 model, whose most efficient version is rated 22 MPG combined (about $2,693 a year to fuel).

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

The 2023 Mercedes-Benz GLC-Class is rated up to 22 MPG combined.

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