MERCEDES-BENZ ANNOUNCES SLOANE STEPHENS AS GLOBAL BRAND AMBASSADOR No. 3 ranked Stephens joins the commitment to be the “best or nothing” ATLANTA – Mercedes-Benz USA (MBUSA) announced today that U.S. tennis star Sloane Stephens is the brand’s newest global ambassador. From her iconic win at the 2017 U.S. Open, of which Mercedes-Benz is a sponsor, to her most recent win at … [Read more...] about Mercedes-Benz Names Sloane Stephens as a Global Brand Ambassador