Hi can some help me with the Navigation command

[Artur]

hi i'm new to this site and i really enjoy it when people can help each other. can someone help me on how can i istall a dvd on my naviogation screen. I heard that they are doing this nowdays. I have a s500 2001 and someone please tell me what am I going to buy so I can have a dvd in my car too please answer me

[Norb]

http://www.nav-tv.com/products.htm

[Artur]

you know anywhere thats a little bit cheaper because it's almost $4000 for the good part?