Model Year 1972 - 450 SL (designate 350 SL)
Model Year 1973 - 450 SL/SLC
Model Year 1974 - 450 SL/SLC
Model Year 1975 - 450 SL/SLC
Model Year 1976 - 450 SL/SLC
Model Year 1977 - 450 SL/SLC
Model Year 1978 / 1979 - 450 SL/SLC
Model Year 1980 - 450 SL/SLC
Model Year 1981 - 380 SL/SLC
Model Year 1982 - 380 SL
Model Year 1983 / 1984 / 1985 - 380 SL
Model Year 1986 / 1987 / 1988 / 1989 - 560 SL