How do I know if my 2003 ML500 has the DVD or CD navigation system? I need to buy the nav disc because it was not there when I purchased the vehicle.
Dealership should be able to answer all of your questions using the VIN number.
Upon pressing the nav button the screen will read either "navigation is not installed" or "disk missing"....the former means you do not have a nav system, the latter means you do...
My screen read Disc missing.
What answer do you expect from me?
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