Mercedes-Benz 420SEL Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

1991

15 MPG combined

Latest Model

1991

15 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
1991	Premium	14	17	15	$5,450	Details →
1990	Premium	14	17	15	$5,450	Details →
1989	Premium	14	17	15	$5,450	Details →
1988	Premium	14	17	15	$5,450	Details →
1987	Premium	14	17	15	$5,450	Details →
1986	Premium	14	17	15	$5,450	Details →