2009 · Two-Seater · Gas
2009 Mercedes-Benz SLK-Class MPG & fuel economy
The 2009 Mercedes-Benz SLK-Class is a two-seater offered in 5 EPA-rated configurations. The most efficient version returns 21 MPG combined (19 city / 26 highway) on premium gasoline. Across the lineup, combined ratings range from 17 to 21 MPG. That's up 1 MPG from the 2008 model. Among 27 two-seaters rated for 2009, it ranks 10th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2009 Mercedes-Benz SLK-Class's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 11.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 26 | 11.1 | 9.0 |
| Combined | 21 | 8.9 | 11.2 |
How it ranks among 2009 Two-Seaters
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
SLK-Class MPG across model years
Full history →5 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.0L 6-cyl · 7-speed automatic SLK300 |
Gas | 19 MPG | 26 MPG | 21 MPG | — | $2,821 |
| RWD · 3.5L 6-cyl · 7-speed automatic SLK350 |
Gas | 18 MPG | 26 MPG | 21 MPG | — | $2,821 |
| RWD · 3.5L 6-cyl · 6-speed manual SLK350 |
Gas | 18 MPG | 26 MPG | 21 MPG | — | $2,821 |
| RWD · 3.0L 6-cyl · 6-speed manual SLK300 |
Gas | 17 MPG | 26 MPG | 20 MPG | — | $2,962 |
| RWD · 5.4L 8-cyl · 7-speed automatic SLK55 AMG |
Gas | 14 MPG | 22 MPG | 17 MPG | — | $3,485 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 3.0L 6-cyl
- Transmission
- 7-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 49 cu ft
- Cargo volume
- 7 cu ft
- Tailpipe CO₂
- 423 g/mi
2009 Mercedes-Benz SLK-Class vs. rivals
Compare the 2009 SLK-Class
With any other car from any year, including other SLK-Class model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2009 Mercedes-Benz SLK-Class?
Up to 21 MPG combined (19 city / 26 highway); ratings range from 17 to 21 MPG depending on configuration.
What fuel does the 2009 Mercedes-Benz SLK-Class use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2009 Mercedes-Benz SLK-Class?
The 2009 Mercedes-Benz SLK-Class's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.1 km/L in the city and 11.1 km/L on the highway.
How much does it cost to fuel the 2009 Mercedes-Benz SLK-Class per year?
About $2,821 at 15,000 miles a year with $3.95/gal premium gas, or $18.81 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.