Mercedes-Benz CLS-Class MPG by Year
| Year | Combined | Fuel | Cost per 100 miles | Trims | Recalls |
|---|---|---|---|---|---|
| 2023 | 25 | Premium gasoline | $19.96 | 1 | 0 |
| 2022 | 25 | Premium gasoline | $19.96 | 1 | 0 |
| 2021 | 23–26 | Premium gasoline | $19.20 | 3 | – |
| 2020 | 23–26 | Premium gasoline | $19.20 | 3 | – |
| 2019 | 23–26 | Premium gasoline | $19.20 | 3 | – |
| 2018 | 18–21 | Premium gasoline | $23.77 | 3 | – |
| 2017 | 18–21 | Premium gasoline | $23.77 | 3 | – |
| 2016 | 18–24 | Premium gasoline | $20.80 | 5 | – |
| 2015 | 18–24 | Premium gasoline | $20.80 | 5 | – |
| 2014 | 18–20 | Premium gasoline | $24.96 | 6 | – |
| 2013 | 19–20 | Premium gasoline | $24.96 | 3 | – |
| 2012 | 19–20 | Premium gasoline | $24.96 | 3 | – |
| 2011 | 14–16 | Premium gasoline | $31.19 | 2 | – |
| 2010 | 14–16 | Premium gasoline | $31.19 | 2 | – |
| 2009 | 14–16 | Premium gasoline | $31.19 | 2 | – |
| 2008 | 14–16 | Premium gasoline | $31.19 | 2 | – |
| 2007 | 14–16 | Premium gasoline | $31.19 | 2 | – |
| 2006 | 15–16 | Premium gasoline | $31.19 | 2 | – |
Fuel economy: U.S. EPA fueleconomy.gov