Mercedes-Benz GLC-Class MPG by Year
| Year | Combined | Fuel | Cost per 100 miles | Trims | Recalls |
|---|---|---|---|---|---|
| 2027 | 22–119 | Electricity, Premium gasoline | $5.43 | 7 | 0 |
| 2026 | 22–27 | Premium gasoline | $18.37 | 5 | 0 |
| 2025 | 20–27 | Premium gasoline | $18.37 | 8 | 0 |
| 2024 | 21–29 | Premium gasoline | $17.10 | 5 | 0 |
| 2023 | 20–28 | Premium gasoline | $17.71 | 4 | 0 |
| 2022 | 19–24 | Premium gasoline | $20.66 | 5 | 0 |
| 2021 | 17–25 | Premium gasoline | $19.84 | 8 | 0 |
| 2020 | 18–25 | Premium gasoline | $19.84 | 9 | – |
| 2019 | 18–25 | Premium gasoline | $19.84 | 9 | – |
| 2018 | 18–25 | Premium gasoline | $19.84 | 9 | – |
| 2017 | 20–24 | Premium gasoline | $20.66 | 5 | – |
| 2016 | 24 | Premium gasoline | $20.66 | 2 | – |
Fuel economy: U.S. EPA fueleconomy.gov