5N0-057-342 Volkswagen Media Digital Interface (MDI) Retrofit Kit The MEDIA-IN Box can come as standard feature or factory optional with Premium 8, RNS315, and RNS510 radios A MEDIA-IN retrofit kit 5N0 057 342 can be added to Generation 3 radios Premium 8, RNS315 and RNS510 radios The retrofit kit includes the MEDIA-IN Box and the necessary harnesses for installation, does not include adapter cable(for ipod or USB sold seperately) External audio sources such as MP3 Players, iPod and USB-Sticks can be connected to these radio systems via a variety of multimedia plugs OEM Volkswagen Part from a Volkswagen Dealer