captainbong

HI. I HAVE A MERCEDES 350 SL 2003-2004 WITH THE DX COMAND.. I HAVE TRIED A COUPLE OF DX DISCS OFF EBAY A 2003 AND A 2005. BUT I KEEP GETTING YOU ARE NOT ON A DIGITISED ROAD MESSAGE ! . I LIVE IN THE NEWCASTLE TYNE AND WEAR AREA OF UK. WHAT IS THE MOST UP TO DATE DISC I SHOULD BE LOOKING FOR, IT SEEMS TO BE A MINEFIELD WITH THIS SAT NAV SOFTWARE WITH MANY MANY DISCS THAT WONT WORK ON EACH OTHERS COMAND SYSTEMS... ANY HELP.. !! THANKS