Too bad eBay doesn't allow you to find out how many times a certain VIN car has been listed. This one
http://cgi.ebay.com/ebaymotors/1987-W124-300TD-TURBO-DIESEL-STATION-WAGON-WARRANTY-FL_W0QQitemZ230048643042QQihZ013QQcategoryZ6330QQrdZ1QQcmdZViewItem has been on at least three times under 2 or 3 seller IDs.
People must be wise to this con artist. Also the market is against him now because I think prices are down because diesel is now more than gasoline in many places in the US.