Mercedes-Benz SLC-Class MPG & Fuel Economy

The 2020 Mercedes-Benz SLC-Class gets up to 27 MPG combined (23 city / 32 highway) in EPA testing.

Latest model year (2020):

The Mercedes-Benz SLC-Class gets up to 27 MPG combined (23 city / 32 highway) in the Auto 9-spd, 4 cyl, 2.0 L trim.

Verifiedfueleconomy.gov · Verified August 9, 2026

Overview MPG Engine Specs Fuel Cost Transmission Drivetrain Vehicle Class Maintenance

Mercedes-Benz SLC-Class MPG — All Years

Year	Trim	Engine	Fuel	City (MPG)	Hwy (MPG)	Combined (MPG)
2020	Auto 9-spd, 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	23	32	27
2020	Auto 9-spd, 6 cyl, 3.0 L	6 3.0L	Premium Gasoline	20	29	23
2019	Auto 9-spd, 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	23	32	27
2019	Auto 9-spd, 6 cyl, 3.0 L	6 3.0L	Premium Gasoline	20	29	23
2018	Auto 9-spd, 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	25	32	27
2018	Auto 9-spd, 6 cyl, 3.0 L	6 3.0L	Premium Gasoline	20	29	23
2017	Auto 9-spd, 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	25	32	27
2017	Auto 9-spd, 6 cyl, 3.0 L	6 3.0L	Premium Gasoline	20	29	23

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Mercedes-Benz SLC-Class MPG FAQ

What is the MPG of the Mercedes-Benz SLC-Class?

The Mercedes-Benz SLC-Class gets up to 27 MPG combined (23 city / 32 highway) in the 2020 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Mercedes-Benz SLC-Class trim has the best fuel economy?

The Auto 9-spd, 4 cyl, 2.0 L trim offers the best combined fuel economy at 27 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

All Mercedes-Benz SLC-Class specifications

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