Home » 2015 Mercedes-Benz Concept IAA Is Active Aero Longtail SuperCoupe » Mercedes-Benz “Concept IAA” (Intelligent Aerodynamic Automobile) Mercedes-Benz “Concept IAA” (Intelligent Aerodynamic Automobile) Home » 2015 Mercedes-Benz Concept IAA Is Active Aero Longtail SuperCoupe » Mercedes-Benz “Concept IAA” (Intelligent Aerodynamic Automobile)