|Model||Cylinder arrangement / number||Displacement (cc)||Rated output (kW at rpm)||Top speed (km/h)||Fuel consumption, combined (l/100 km)||CO2 emissions combined (g/km)|
|GLS 400 4MATIC||V6||2996||245/5250-6000||– (240)||– (9.4–8.9)||‒ (218‒206)|
|GLS 500 4MATIC||V8||4663||335/5250–5500||– (250, electronically limited)||– (11.3–10.9)||‒ (264‒255)|
|Mercedes-AMG GLS 63 4MATIC||V8||5461||430/5500||– (250, electronically limited)||– (12.3)||– (288)|
Figures in brackets apply to vehicles with automatic transmission.
 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 (§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.