The centerpiece of Mercedes-Benz’s 140th birthday party in January was a patent application filed in 1886 by an engineer named Carl Benz for a “vehicle with gas engine.” 今年1月，梅赛德斯-奔驰140周年庆的重头戏是一份工程师卡尔·本茨于1886年提交的"燃气发动机的车辆"专利申请文件。 The way Mercedes executives…