CD and navigation workers, not including disk for navigation, just pictured for your info with one to use.

This is a genuine OE OEM original head unit for a 2006-2008 Mercedes W164 ML63 ML350 ML550 GL450. It comes with the COMAND USA system, but without navigation. The part number is A1648200479, and it is compatible with various Mercedes-Benz models such as the GL-Class and ML-Class.

The head unit is black in color and is designed to be placed in the front of the vehicle. The manufacturer part numbers include A1648201779, A1648201679, A1648200679, A1648703589, A1648703889, and A1648703989. It is important to note that this is a used item, but it is in great working condition.