(Reuters) – German automaker Mercedes Benz and U.S. planemaker Boeing Co will suspend operations in South Carolina on Friday due to the potential impact of Hurricane Ian. Ian, currently downgraded to a tropical storm, is expected to be become a hurricane again later on Thursday before making U.S. landfall for the second time on Friday, according to the U.S. National Hurricane Center. It issued a hurricane warning for the entire coast of South Carolina. “Due to the potential impact of Hurricane Ian on the greater Charleston area and to focus on the safety of our team members our facility in Lad…