Seem very rare to get hold of them in fair nick:
http://cgi.ebay.co.uk/Mercedes-Benz...ryZ40195QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.co.uk/Mercedes-Benz...ryZ40195QQssPageNameZWDVWQQrdZ1QQcmdZViewItem