|Model|| Cylinder |
|Displacement (ccm)|| Rated output |
(kW [hp] at rpm)
| Top |
| Fuel consumption |
| CO2 emissions |
|CLS 400||V6||3498||245 /5250–6000||250, electronically governed||7.6||172–170|
|CLS 400 4MATIC||V6||3498||245 /5250–6000||250, electronically governed||8.2–8.0||190–186|
|CLS 500||V8||4663||300 /5000–5750||250, electronically governed||8.9–8.8||209–205|
|CLS 500 4MATIC||V8||4663||300 /5000–5750||250, electronically governed||9.6–9.3||225–219|
|Mercedes-AMG CLS 63 4MATIC||V8||5461||410 /5500||250, electronically governed||10.8–10.6||251–247|
|Mercedes-AMG CLS 63 S 4MATIC||V8||5461||430 /5500||250, electronically governed||10.8–10.6||251–247|
 Figures for rated output and rated torque pursuant to Directive 595/2009/EEC in the currently applicable version.
 The figures shown for fuel consumption and CO2 emissions were obtained in accordance with the prescribed measuring methods (section 2 nos. 5, 6, 6a Pkw-EnVKV as amended). The figures are not based on an individual vehicle and do not constitute part of the product offer; they are provided solely for purposes of comparison between different vehicle models. The values vary depending on wheels/tyres.