Mercedes Benz CLK63 AMG Black Series On Concavo Rims (w/Video) Check out this rare CLK63 AMG Black Series on 20" CW-5 deep concave wheels. Car Photos, Uncategorized, Videos • July 3rd, 2013 by Joaquin Barroeta [Shoutout to Concavo Wheels] Leave a Reply Click here to cancel reply. Name (required) Mail (required) (will not be published) Website XHTML: You can use these tags: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>