Mercedes-Benz SLC-Class MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Mercedes-Benz SLC-Class model year from 2017 to 2020 — each engine and transmission with its official city, highway and combined figures. Over these years the SLC-Class has been offered with 2.0L 4-cyl engines; every rated year lands at 27 MPG combined. Every rated gas version calls for premium gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Mercedes-Benz SLC-Class fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2020 27 MPG 2.0L 4-cyl $34,990 7 listings
2019 27 MPG 2.0L 4-cyl $30,790 6 listings
2018 27 MPG 2.0L 4-cyl $28,590 14 listings
2017 27 MPG 2.0L 4-cyl $26,990 6 listings

2020 Mercedes-Benz SLC-Class: engines & MPG

The 2020 SLC-Class was EPA-rated in 1 version (2.0L 4-cyl), with combined economy of 27 MPG. Used 2020 models currently list for a median of $34,990 on VehiSales (7 for sale).

VersionEngineTransmissionFuelCityHwyCombined
SLC300 2.0L 4-cyl Automatic 9-spd Premium 23 32 27 MPG

2019 Mercedes-Benz SLC-Class: engines & MPG

The 2019 SLC-Class was EPA-rated in 1 version (2.0L 4-cyl), with combined economy of 27 MPG. Used 2019 models currently list for a median of $30,790 on VehiSales (6 for sale).

VersionEngineTransmissionFuelCityHwyCombined
SLC300 2.0L 4-cyl Automatic 9-spd Premium 23 32 27 MPG

2018 Mercedes-Benz SLC-Class: engines & MPG

The 2018 SLC-Class was EPA-rated in 1 version (2.0L 4-cyl), with combined economy of 27 MPG. Used 2018 models currently list for a median of $28,590 on VehiSales (14 for sale).

VersionEngineTransmissionFuelCityHwyCombined
SLC300 2.0L 4-cyl Automatic 9-spd Premium 25 32 27 MPG

2017 Mercedes-Benz SLC-Class: engines & MPG

The 2017 SLC-Class was EPA-rated in 1 version (2.0L 4-cyl), with combined economy of 27 MPG. Used 2017 models currently list for a median of $26,990 on VehiSales (6 for sale).

VersionEngineTransmissionFuelCityHwyCombined
SLC300 2.0L 4-cyl Automatic 9-spd Premium 25 32 27 MPG

Frequently asked questions

What MPG does a Mercedes-Benz SLC-Class get?

Every rated SLC-Class year comes in at 27 MPG combined.

What engines does the 2020 Mercedes-Benz SLC-Class have?

The 2020 SLC-Class was EPA-rated with 2.0L 4-cyl engines — see the 2020 table above for each version's exact city/highway figures.

Does the Mercedes-Benz SLC-Class require premium gas?

Yes — every EPA-rated gas SLC-Class version specifies premium gasoline.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of July 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Mercedes-Benz SLC-Class EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/mercedes-benz/slc-class.

See also: Mercedes-Benz SLC-Class hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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