2019 Mercedes-Benz A-Class sedan sets wind-cheating record

2019 Mercedes-Benz A-Class aerodynamic testingEfficiency comes in many automotive forms: electric powertrains, continuously variable transmissions, smaller-displacement engines. More aerodynamic designs help efficiency, too. With the 2019 A-Class, Mercedes-Benz says it's raised the aerodynamic bar. Mercedes-Benz claims that the new 2019 A-Class sedan has the lowest aerodynamic drag of any...