2014 Mercedes-Benz SLK-Class
4 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| SLK250 | 22 | 32 | 26 | Premium Gasoline | Rear-Wheel Drive | 1.8L 4-cyl Turbo | Manual 6-spd |
| SLK250 | 23 | 32 | 26 | Premium Gasoline | Rear-Wheel Drive | 1.8L 4-cyl Turbo | Automatic 7-spd |
| SLK350 | 21 | 28 | 24 | Premium Gasoline | Rear-Wheel Drive | 3.5L 6-cyl | Automatic 7-spd |
| SLK55 AMG | 19 | 28 | 22 | Premium Gasoline | Rear-Wheel Drive | 5.5L 8-cyl | Automatic 7-spd |