042 300SL 1957 1958 1959 1960 1961 1962 1963 The W198-042 chassis 300 SL Roadster with the M198-980 motor was made between 1957 and 1962. 200 Roadsters were made with alloy engine 198 982. The W198-042 chassis 300 SL Roadster with the M198-980 motor was made between 1962 and 1963. 29 Gullwings were made with an alloy body and had engine 198 981.