Mercedes-Benz CLS63 AMG S 4matic Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2015

18 MPG combined

Latest Model

2015

18 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2015	Premium	16	22	18	$4,550	Details →
2014	Premium	16	22	18	$4,550	Details →