You could - the dealer I deal with does custom work on Mercedes and Porsche, Mercedes' fiber-optic system, similar to MOST bus is extremely difficult to deal with it...and in typical Bose style, it intends to be proprietary..but there are workarounds. I do not know the details (as I do not do the actual work) but I do know it can be done. Check www.aidesign.com, they are incredible. It would be easier to replace the whole head unit, and re-wire the system...but that will prove costly.