Mercedes UK /məˈseɪdiz/US /mɚˈseɪdiz/ noun2 •A department of Corrientes province, Argentina. •Clipping of Mercedes-Benz (“a car manufactured by Mercedes-Benz”).Anton and I saw each of them pull up in their Mercedeses and BMWs and park quasi-legally within a convenient distance of the diner. — 2018 formsMercedeses