/MB_models.xls
This (I got from this site) has no prices but might cover some of your other needs with less flowery language. It is an excel spreadsheet...
hope you can use it.

__________________
-Marty

1986 300E 220,000 miles+ transmission impossible
(Now waiting under a bridge in order to become one)

Reading your M103 duty cycle:
http://www.peachparts.com/shopforum/831799-post13.html
http://www.peachparts.com/shopforum/831807-post14.html