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- Small cars
- MY2000–2009
Mercedes-Benz CLK-Class MPG & Fuel Cost by Year
10 model years · 2000–2009
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Mercedes-Benz CLK-Class fuel economy at a glance
EPA has rated the Mercedes-Benz CLK-Class for 10 model years, 2000 to 2009. Across those years its combined rating runs 14–21 MPG. The latest model year, 2009, has 4 configurations rated 17–20 MPG combined and costing $4,020–$4,730 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2000 is the 2005 CLK320 3.2L 6-cyl RWD, at 21 MPG. EPA ratings go back to 1984: the earliest rating on this page is 22 MPG in 1998.
Mercedes-Benz CLK-Class MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2007-2009 Generation page | ||
| 2009 | 17–20 | $4,020–$4,730 |
| 2008 | 14–20 | $4,020–$5,740 |
| 2007 | 14–20 | $4,020–$5,740 |
| 2005-2006 Generation page | ||
| 2006 | 17–20 | $4,020–$4,730 |
| 2005 | 16–21 | $3,830–$5,020 |
| 2004 Generation page | ||
| 2004 | 16–20 | $4,020–$5,020 |
| 2003 Generation page | ||
| 2003 | 16–20 | $4,020–$5,020 |
| 2000-2002 Generation page | ||
| 2002 | 17–20 | $4,020–$4,730 |
| 2001 | 18–21 | $3,830–$4,460 |
| 2000 | 18–21 | $3,830–$4,460 |
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 CLK-Class generations
5 generations between 2000 and 2009. Open one for the table of every model year and configuration.
2007-2009 Mercedes-Benz CLK-Class
14–20 MPG · $4,020–$5,740/yr
2005-2006 Mercedes-Benz CLK-Class
16–21 MPG · $3,830–$5,020/yr
2004 Mercedes-Benz CLK-Class
16–20 MPG · $4,020–$5,020/yr
2003 Mercedes-Benz CLK-Class
16–20 MPG · $4,020–$5,020/yr
2000-2002 Mercedes-Benz CLK-Class
17–21 MPG · $3,830–$4,730/yr
2009 powertrain options
Mercedes-Benz CLK-Class MPG history, 1998–1999
| Year | Gas (MPG) |
|---|---|
| 1999 | 19–21 |
| 1998 | 22 |
EPA re-estimated the ratings of pre-2008 vehicles under its 2008 method; these are the re-estimated values.
More Mercedes-Benz models
Frequently asked questions
What is the Mercedes-Benz CLK-Class's gas mileage by year?
EPA combined ratings for the Mercedes-Benz CLK-Class run 14–21 MPG across model years 2000 to 2009. The latest year, 2009, is rated 17–20 MPG.
Which Mercedes-Benz CLK-Class model year has the best gas mileage?
The 2005 Mercedes-Benz CLK-Class CLK320 3.2L 6-cyl RWD has the highest combined rating since 2000, at 21 MPG.
How much does a Mercedes-Benz CLK-Class cost to fuel per year?
For MY2009, EPA-rated configurations cost $4,020–$4,730 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,020.
Has the Mercedes-Benz CLK-Class's fuel economy improved over time?
No. The most efficient configuration moved from 21 MPG in 2000 to 20 MPG in 2009, 1 MPG less. Going back further, the best rating in 1984 was 22 MPG.