| Year | Cutting Style | Ignitions Key | Ignition Keys notes | Door & Trunk keys | Model Notes |
| 1988 | Double Sided | X202 / MZ16 | Chipless | || | || |
| 1989 | Double Sided | X202 / MZ16 | Chipless | || | || |
| 1990 | Double Sided | X202 / MZ16 | Chipless | || | || |
| 1991 | Double Sided | X202 / MZ16 | Chipless | || | || |
| 1992 | Double Sided | X202 / MZ16 | Chipless | || | || |
| 1993 | Double Sided | X221 / H65 | Chipless | || | || |
| 1994 | Double Sided | X221 / H65 | Chipless | || | || |
| 1995 | Double Sided | X221 / H65 | Chipless | || | || |
| 1996 | Double Sided | X221 / H65 | Chipless | || | || |
| 1997 | Double Sided | X221 / H65 | Chipless | || | || |