Mercedes-Benz SLK-Class MPG & Fuel Economy

The 2016 Mercedes-Benz SLK-Class gets up to 27 MPG combined (24 city / 32 highway) in EPA testing.

Latest model year (2016):

The Mercedes-Benz SLK-Class gets up to 27 MPG combined (24 city / 32 highway) in the Auto 9-spd, 4 cyl, 2.0 L trim.

Verifiedfueleconomy.gov · Verified August 11, 2026

Overview MPG Engine Specs Fuel Cost Transmission Drivetrain Vehicle Class Maintenance

Mercedes-Benz SLK-Class MPG — All Years

Year	Trim	Engine	Fuel	City (MPG)	Hwy (MPG)	Combined (MPG)
2016	Auto 7-spd, 6 cyl, 3.5 L	6 3.5L	Premium Gasoline	21	29	24
2016	Auto 7-spd, 8 cyl, 5.5 L	8 5.5L	Premium Gasoline	19	28	22
2016	Auto 9-spd, 4 cyl, 2.0 L	4 2.0L	Premium Gasoline	24	32	27
2015	Auto 7-spd, 4 cyl, 1.8 L	4 1.8L	Premium Gasoline	23	32	26
2015	Auto 7-spd, 6 cyl, 3.5 L	6 3.5L	Premium Gasoline	21	28	24
2015	Auto 7-spd, 8 cyl, 5.5 L	8 5.5L	Premium Gasoline	19	28	22
2015	Man 6-spd, 4 cyl, 1.8 L	4 1.8L	Premium Gasoline	22	32	26

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 SLK-Class MPG FAQ

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

The Mercedes-Benz SLK-Class gets up to 27 MPG combined (24 city / 32 highway) in the 2016 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Mercedes-Benz SLK-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 SLK-Class specifications

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