For now the MB Star is the best choice for customer or technical to choose for the Mercedes Benz car or truck diagnostic tool . SD Connect Compact 5 include all C4 function, it can support English, Bulgarian, Danish, Greek, Spanish, French, Italian, Korean, Polish, Romanian, Serbo-Croatian, Turkish, Czech, German, Finnish, Hungaria, Japanese, Dutch, Portuguese, Russian, Swedish, and Chinese all these languages. And now the latest software version is 2015.10. And some latest car like after 2015.09 some function maybe can’t work. Customer maybe want to know whether the sd connect c4 and c5 the software is same or not, because some one who have the c4 latest software, so they only buy the sd connect c5 hardware is enough. SD Connect C5 is a new shape than C4,it can run faster than c4, now it is the best price : 528USD with HDD sell on our website, more details please feel free to contact with us: sale@cnautotool.com http://www.cnautotool.com/goods-4975-Mercedes+BENZ+C5+MB+SD+Connect+Compact+5+Star+Diagnostic+Tool+With+WiFi+201507.html