Mercedes-Benz CLS-Class MPG by model year
Combined EPA ratings for each Mercedes-Benz CLS-Class model year. Years with identical ratings are grouped together.
| Model year | Combined MPG | Best hwy | Versions |
|---|---|---|---|
| 2023 | 25 MPG | 30 | 1 |
| 2022 | 25 MPG | 30 | 1 |
| 2021 | 23–26 MPG | 30 | 3 |
| 2019–2020 | 23–26 MPG | 31 | 3 |
| 2017–2018 | 18–21 MPG | 26 | 3 |
| 2016 | 18–24 MPG | 30 | 5 |
| 2015 | 18–24 MPG | 29 | 5 |
| 2014 | 18–20 MPG | 25 | 6 |
| 2012–2013 | 19–20 MPG | 25 | 3 |
| 2010–2011 | 14–16 MPG | 21 | 2 |
| 2008–2009 | 14–16 MPG | 21 | 2 |
| 2007 | 14–16 MPG | 20 | 2 |
| 2006 | 15–16 MPG | 20 | 2 |
Model years before 2005 are listed for reference without a separate page.
Source: U.S. Environmental Protection Agency and U.S. Department of Energy, fueleconomy.gov. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.