Does anybody know how much of a difference there is in the cab floors on the 300 series vs the 100 & 200 series. It doesn't look like much, but the tranny hump definitely looks lower..... Mark D. 1968 W200 Sweptline 1969 D100 Utiline 1971 D100 SE Sweptline 1993 D250 Club Cab Sweptline 1986