Phatnoise is a car audio product that allows you to play MP3 songs on your car without changing your headunit. It acts like a CD changer and It stores about 6gigs worth of songs. Here's a link to there site.
BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more!