"For the CLA250, those numbers are boosted to 253 HP (186 kW) and 420 Nm (309 lb-ft) of torque - an increase of 42 HP 51 lb-ft."
"while the top level CLA45 AMG nets a new output of 450 horsepower, up from its standard 360-horsepower output."
Carlsson Autotechnik - Mercedes Tuning auf Gut Wiesenhof - Aerodynamik, Tagfahrlicht , Leistungssteigerung, Räder, Felgen
2014 Mercedes-Benz CLA-Class By Carlsson - Top Speed
http://www.autoevolution.com/mercedes-blog/450-hp-for-the-cla-45-amg-courtesy-of-carlsson-66810.html
"while the top level CLA45 AMG nets a new output of 450 horsepower, up from its standard 360-horsepower output."
Carlsson Autotechnik - Mercedes Tuning auf Gut Wiesenhof - Aerodynamik, Tagfahrlicht , Leistungssteigerung, Räder, Felgen
2014 Mercedes-Benz CLA-Class By Carlsson - Top Speed
http://www.autoevolution.com/mercedes-blog/450-hp-for-the-cla-45-amg-courtesy-of-carlsson-66810.html