In case someone's looking for old MB prices lists from the early 1970s to the late 1990s:
http://www.meinbenz.de/preislisten/sonstiges.htm
floyd, did you see the luggage options? it even shows the number of bags and dimensions!
Also here is a price list calculator you can do for your car.
http://www.w123-hannover.de/html/npr_startseite.html