Mercedes-Benz SLK320: MPG and fuel economy by year
The EPA has rated the Mercedes-Benz SLK320 across 4 model years, from the 2001 Mercedes-Benz SLK320 through the 2004 Mercedes-Benz SLK320. The most recent 2004 Mercedes-Benz SLK320 returns 20 combined MPG. The most efficient model year was the 2001 Mercedes-Benz SLK320 at 21 MPG.
Pick a year below to open the full Mercedes-Benz SLK320 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 SLK320. 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 |
|---|---|---|---|---|---|
| 2004 | 2004 Mercedes-Benz SLK320 | 20 MPG | 18 MPG | 24 MPG | $3,450 |
| 2003 | 2003 Mercedes-Benz SLK320 | 20 MPG | 18 MPG | 24 MPG | $3,450 |
| 2002 | 2002 Mercedes-Benz SLK320 | 20 MPG | 18 MPG | 24 MPG | $3,450 |
| 2001 | 2001 Mercedes-Benz SLK320 | 21 MPG | 18 MPG | 25 MPG | $3,300 |
How the Mercedes-Benz SLK320 compares against the Two Seaters class
Buyers usually compare the Mercedes-Benz SLK320 against other cars in the same EPA class. The list below shows the most efficient cars in the Two Seaters class for the 2004 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.