FS: Factory Roof Mounted GPS Navigation/Phone antenna for all W163 MLs. This original Equipment Part is in exellent condition. Perfect for replacing broken units or updating older or non-gps equiped models. Or even could be kept as a spare. Comes compete with base, mast. Installs easily is all MLs. This part is a very costly part and retails at the MB dealer for over $300.00. Part Number A163 820 0575. Price $75obo, sold as is. Please email me at FAdeli22@aol.com if intrested