- Gas
- Two-seaters
- MY2017–2020
Mercedes-Benz SLC-Class MPG & Fuel Cost by Year
4 model years · 2017–2020
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Mercedes-Benz SLC-Class fuel economy at a glance
EPA has rated the Mercedes-Benz SLC-Class for 4 model years, 2017 to 2020. Across those years its combined rating runs 23–27 MPG. The latest model year, 2020, has 2 configurations rated 23–27 MPG combined and costing $3,010–$3,480 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2017 is the 2020 SLC300 2.0L 4-cyl turbo RWD, at 27 MPG.
Mercedes-Benz SLC-Class MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2017-2020 Generation page | ||
| 2020 | 23–27 | $3,010–$3,480 |
| 2019 | 23–27 | $3,000–$3,480 |
| 2018 | 23–27 | $2,930–$3,440 |
| 2017 | 23–27 | $2,930–$3,440 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Mercedes-Benz SLC-Class generations
1 generations between 2017 and 2020. Open one for the table of every model year and configuration.
2020 powertrain options
More Mercedes-Benz models
Frequently asked questions
What is the Mercedes-Benz SLC-Class's gas mileage by year?
EPA combined ratings for the Mercedes-Benz SLC-Class run 23–27 MPG across model years 2017 to 2020. The latest year, 2020, is rated 23–27 MPG.
Which Mercedes-Benz SLC-Class model year has the best gas mileage?
The 2020 Mercedes-Benz SLC-Class SLC300 2.0L 4-cyl turbo RWD has the highest combined rating since 2017, at 27 MPG.
How much does a Mercedes-Benz SLC-Class cost to fuel per year?
For MY2020, EPA-rated configurations cost $3,010–$3,480 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,010.
Has the Mercedes-Benz SLC-Class's fuel economy improved over time?
Not much. The most efficient configuration is rated 27 MPG in both 2017 and 2020.
Which Mercedes-Benz SLC-Class model years have the same ratings?
EPA lists identical ratings as the previous year for 2018. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.