See if this is any good then let us know -
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=320176133449
The nice thing is it doesn't have a cat. The not nice thing is it might not be a bolt-on deal if it has a trap style 3-bolt flange for the muffler pipe. MB might have changed the flange position too. And JimmyL will take you to task on 300TD
T 
Sixto
87 300D