Mercedes-Benz CLS550: MPG and fuel economy by year
The EPA has rated the Mercedes-Benz CLS550 across 12 model years, from the 2007 Mercedes-Benz CLS550 through the 2018 Mercedes-Benz CLS550. The most recent 2018 Mercedes-Benz CLS550 returns 21 combined MPG.
Pick a year below to open the full Mercedes-Benz CLS550 page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Mercedes-Benz CLS550. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2018 | 2018 Mercedes-Benz CLS550 | 21 MPG | 18 MPG | 26 MPG | $3,300 |
| 2017 | 2017 Mercedes-Benz CLS550 | 21 MPG | 18 MPG | 26 MPG | $3,300 |
| 2016 | 2016 Mercedes-Benz CLS550 | 20 MPG | 18 MPG | 26 MPG | $3,450 |
| 2015 | 2015 Mercedes-Benz CLS550 | 20 MPG | 18 MPG | 26 MPG | $3,450 |
| 2014 | 2014 Mercedes-Benz CLS550 | 20 MPG | 17 MPG | 25 MPG | $3,450 |
| 2013 | 2013 Mercedes-Benz CLS550 | 20 MPG | 17 MPG | 25 MPG | $3,450 |
| 2012 | 2012 Mercedes-Benz CLS550 | 20 MPG | 17 MPG | 25 MPG | $3,450 |
| 2011 | 2011 Mercedes-Benz CLS550 | 16 MPG | 14 MPG | 21 MPG | $4,300 |
| 2010 | 2010 Mercedes-Benz CLS550 | 16 MPG | 14 MPG | 21 MPG | $4,300 |
| 2009 | 2009 Mercedes-Benz CLS550 | 16 MPG | 14 MPG | 21 MPG | $4,300 |
| 2008 | 2008 Mercedes-Benz CLS550 | 16 MPG | 14 MPG | 21 MPG | $4,300 |
| 2007 | 2007 Mercedes-Benz CLS550 | 16 MPG | 14 MPG | 20 MPG | $4,300 |
How the Mercedes-Benz CLS550 compares against the Compact Cars class
Buyers usually compare the Mercedes-Benz CLS550 against other cars in the same EPA class. The list below shows the most efficient cars in the Compact Cars class for the 2018 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.