| Year | Cutting Style | Ignitions Key | Ignition Keys notes | Door & Trunk keys | Model Notes |
| 1980 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1981 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1982 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1983 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1984 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1985 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1986 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1987 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1988 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1989 | Double Sided | X178 / MZ16 | Chipless | || | || |
| 1990 | Double Sided | X201 / MZ19 | Chipless | || | || |
| 1991 | Double Sided | X201 / MZ19 | Chipless | || | || |
| 1992 | Double Sided | X201 / MZ19 | Chipless | || | || |
| 1993 | Double Sided | X201 / MZ19 | Chipless | || | || |
| 1994 | Double Sided | X201 / MZ19 | Chipless | || | || |