| How I transferred music
I had the same problem, and have now managed to sort out how to do it.
I tried iTunes but could not get it to work, so tried Windows Media Player, and that works.
Windows Media Player.
1. Create a playlist of all the albums you want to use (I selected about 2.9GB of tunes).
2.Click burn and select data CD or DVD. Then select more options. I selected medium speed and for format M3U, then ticked 'do not convert'.
3. Insert a writable DVD and wait for it to be recognised, might need to delete the pop-up notice.
4. Once recognised click the 'burn disk' in the bottom lefthand corner and wait until all files are written and disk finalised.
5. Thats the disk ready to install in the car.
Mercedes 320CDI W204
1.Load disk in any vacant slot.
2. Select changer.
3. Select music register.
4. Select music register again in the new window.
5. Select copy files, options will be all music or any of the albums listed.
6. Select continue.
7. Select start.
8. Wait patiently for tunes to transfer ( my 2.9GB took an hour to finish transferring).
10. That's it, hope this is of use to someone.
Remember that copy protected CD's will not work, so best of luck mrariaz. | 
