

| Model | Cylinder number and arrangement | Displacement (cc) | Rated output (kW at rpm) | Top speed (km/h) | Fuel consumption combined (l/100 km) | CO2 emissions combined (g/km) |
|---|---|---|---|---|---|---|
| SLK 200 BlueEFFICIENCY | R4 | 1796 | 135/5250 | 210 (electr. limited) | 6.9 | 161 |
| SLK 250 BlueEFFICIENCY | R4 | 1796 | 150/5500 | 210 (electr. limited) | 7.0 | 163 |
| SLK 350 BlueEFFICIENCY | V6 | 3498 | 225/6500 | 210 (electr. limited) | 8.3 | 194 |
| SLK 55 AMG | V8 | 5461 | 310/6800 | 250 (electr. limited) | 8.5 | 197 |