Best?? Don't think so... I got the best yellow 280 in australia.
http://cgi.ebay.com.au/1978-MERCEDES-280SEL-YELLOW-BEST-IN-AUSTRALIA_W0QQitemZ200318584033QQcmdZViewItemQQptZAU_Cars?hash=item200318584033&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A1%7C39%3A1%7C240%3A1318
http://cgi.ebay.com.au/1978-MERCEDES-280SEL-YELLOW-BEST-IN-AUSTRALIA_W0QQitemZ200318584033QQcmdZViewItemQQptZAU_Cars?hash=item200318584033&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A1%7C39%3A1%7C240%3A1318