033 300d 1958 1959 1960 1961 1962 The W189-033 chassis 300D Cabriolet with the M189-981 motor was made between 1958 and 1962 (Manual trans). The W189-033 chassis 300D Cabriolet auto with the M189-980 motor was made between 1958 and 1962 (Auto trans).