2006-2012 Mercedes Benz Vito 2 din car dvd audio gps radio tv canbus bluetooth

2006 2007 2008 2009 2010 2011 2012 Mercedes Benz Vito 2 din car dvd audio gps radio tv canbus bluetooth,how to install replacement upgrade the head unit,please visit http://www.seicane.com/car-dvd-player-for-mercedes-benz-vito-with-gps-radio-tv-bluetooth-srd-8822-4