Mercedes-Benz 300SDL Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

1986

22 MPG combined

Latest Model

1987

20 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
1987	Diesel Diesel	19	21	20	$4,250	Details →
1986	Diesel Diesel	21	24	22	$3,850	Details →