Install seat's with entertainment screens
the car is Mercedes w221 350cdi 2007 model
the seats with the entertainment is 2010 model w221
the 2010 car has NTG 3.5
the 3.5 is a later comand unit with changes to its wiring - and (certainly) a different front screen
some clues to the early set up around post #24 https://mbworld.org/forums/s-class-w...ries-work.html






