Mercedes-Benz SLC-Class MPG by model year

Combined EPA ratings for each Mercedes-Benz SLC-Class model year. Years with identical ratings are grouped together.

Model year	Combined MPG	Best hwy	Versions
2019–2020	23–27 MPG	32	2
2017–2018	23–27 MPG	32	2

Model years before 2005 are listed for reference without a separate page.

Source: U.S. Environmental Protection Agency and U.S. Department of Energy, fueleconomy.gov. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.