Mercedes-Benz GLC300 MPG by year

EPA combined, city, and highway gas mileage for every Mercedes-Benz GLC300 model year.

Year	Combined	City	Highway
2026	27	24	32
2025	27	24	32
2024	29	26	33
2023	28	25	32
2022	24	22	27
2021	25	22	29
2020	24	22	29
2019	24	22	27
2018	24	22	28
2017	24	22	28
2016	24	22	28