Just got hold of my S/H C220 Estate and am a bit confused on the Audio 20 system which does not seem to match the manual. It is A 2013 model, registered Dec 2012. Specifically, if I attach a supported iPod it stays in USB and although the iPod says it is connected, the Audio 20 does not have a multi-media option, just the standard USB, so playlists etc aren't supported and the track file names are iPod gobbledegook. All under warranty, is this something I just need to get MB to update the software? Bit traumatised as my dear old 1999 C240 which I owned from new supported it (well, I lied, I switched to a newer Sony which supported iPods about 5 years ago).