I have a Cd burned at 320 kbs that is 203 MB. I burned it as one track. It will only play for about 40 minutes before it switches the next track. Is there a limit to the size file the stock radio will play? I find nothing about this in the owners manual. I did use Audacity to split the file into seperate tracks and it plays fine.
Dennis

 

I don't know the size of the file, but my son burned me a Metallica MP3 disc that has 101 songs on it and Mettalica songs are not generally the 3 minute variety, more like the 7-10 minute type. I also have one with all of Alice in Chains songs on one MP3 disc. So long story short, you can pack a lot of music on 1 MP3 disc.