Mercedes-Benz S-Class Forum : “Why does the list only go back to 1994??”

Why does the list only go back to 1994??

I have a 1967 Mercedes S class (250s Auto) but I can't select it from the list. That is a serious ommision as while I enjoy the later S class cars as well, My 1967 model is the last of the hand built Mercedes Cars. Surely there is a place from them here?

PP