National Security Adviser Pressed Germany at UAW Chief’s Request

US National Security Adviser Jake Sullivan prodded Germany to investigate allegations of union suppression at a Mercedes-Benz Group AG plant in Alabama at the direct request of the United Auto Workers president, according to two people with knowledge of the discussions.

Sullivan asked German officials in a call preceding last month’s union vote at the Vance plant to examine complaints filed by the UAW under a law aimed at preventing German companies from violating labor standards abroad, the two sources said.

They said he did so at the personal urging of UAW President Shawn Fain in the run up to ...