On November 20th Mercedes-Benz will be auctioning off the last SLR Roadster. This is specially built as a one off for the US market. Special interior, exterior and color coated brakes. The exclusive online only auction will start at $529,500. Any funds raised above that price will be donated to St. Jude Children’s Research Hospital. For more information or to join the auction please visit http://www.mbusa.com/mercedes/MBHome.html#/slrAuction/