

| Model | Cylinder number and arrangement | Displacement (cc) | Rated output (kW at rpm)[1] | Top speed (km/h) | Fuel consumption combined (l/100 km)[2] | CO2 emissions combined (g/km)[2] |
|---|---|---|---|---|---|---|
| SLK 200 BlueEFFICIENCY | R4 | 1796 | 135/5250 (135/5250) | 240 (237) | 6.8–6.4 (6.5–6.1) | 158–149 (151–142) |
| SLK 250 BlueEFFICIENCY | R4 | 1796 | 150/5500 (150/5500) | 244 (243) | 7.3–6.9 (6.6–6.2) | 169–160 (153–144) |
| SLK 350 BlueEFFICIENCY | V6 | 3498 | -(225/6500) | -(250, electronically limited) | -(7.1) | -(167) |
| SLK 55 AMG | V8 | 5461 | -(310/6800) | -(250, electronically limited) | -(8.4) | -(195) |
Figures in brackets apply to vehicles with automatic transmission
[1] Figures for rated output and rated torque in accordance with Directive 80/1269/EEC in the currently applicable version.
[2] The figures shown for fuel consumption and CO2 emissions were obtained in accordance with the prescribed measuring process (Directive 80/1268/EEC in its currently applicable version). The figures do not apply to a specific vehicle and do not constitute part of the product offer. They are provided solely for the purposes of comparison between different vehicle models