7月14日电，受特朗普关税威胁影响，德国车企梅赛德斯-奔驰、宝马、大众、保时捷股价下跌，跌幅在1.8%至2.2%之间。

Group 1 - The core viewpoint of the article highlights the impact of Trump's tariff threats on German automotive companies, leading to a decline in their stock prices [1] - Affected companies include Mercedes-Benz, BMW, Volkswagen, and Porsche, with stock price drops ranging from 1.8% to 2.2% [1]