Six without automatic?

Hi guys, I was offered a 2009 650ci with full equipment. The car really has everything but AUtomatics. Besides, only 3000km on the clock… Now to my question: Is the automatic on the 6th mandatory, or does it make it to the stand clock when selling it again? Also – what would a realistic price be ? so in about… Drive currently CLK … and at Mercedes it is so that a missing automatic would make such cars virtually unfor saleable… How do you see that?