2005-2009 Mercedes W209 CLK350 CLK500 Command Head Unit Radio Navigation CD OEM. 2005-2009 Mercedes W209 CLK350 CLK500 Command Head Unit Radio Navigation CD OEM. Genuine OEM navigation unit for Mercedes W209 CLK model. It was removed from a 2007 Mercedes CLK550 Convertible. It is fully functional. Please review all images for condition. You will receive the exact item pictured. Please message me if you have any questions or concerns.