2009 Mercedes-Benz SLK-Class
5 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| SLK300 | 17 | 26 | 20 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Manual 6-spd |
| SLK300 | 19 | 26 | 21 | Premium Gasoline | Rear-Wheel Drive | 3L 6-cyl | Automatic 7-spd |
| SLK350 | 18 | 26 | 21 | Premium Gasoline | Rear-Wheel Drive | 3.5L 6-cyl | Manual 6-spd |
| SLK350 | 18 | 26 | 21 | Premium Gasoline | Rear-Wheel Drive | 3.5L 6-cyl | Automatic 7-spd |
| SLK55 AMG | 14 | 22 | 17 | Premium Gasoline | Rear-Wheel Drive | 5.4L 8-cyl | Automatic (S7) |