Mercedes-Benz C300 4matic Coupe Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2021

26 MPG combined

Latest Model

2023

25 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2023	Premium	22	31	25	$3,250	Details →
2022	Premium	22	31	25	$3,250	Details →
2021	Premium	23	32	26	$3,150	Details →
2020	Premium	21	30	25	$3,250	Details →
2019	Premium	22	31	25	$3,250	Details →
2018	Premium	22	30	25	$3,250	Details →
2017	Premium	23	29	25	$3,250	Details →