Detailed Product Description C3 star is the professional diagnostic equipment for Mercedes Benz cars manufactured after year 2000,it is the replacement of HHT.Compact 3-Star operate based on the Windows XP system,it includes workshops information system(WIS system),the movement management system(STARUTILITIES)and the automatically diagnose system(the DAS system). DAS : Diagnosis Assistance System WIS : Workshop Information System STfinder : Part location finder Software Version : 09/2007. Language : English/Chinese/Deutsch/French/Italian/Korean/Spanish/Portuguese/Finnish/Danish/Japan/Swedish. Remark: C3 STAR works with original computer (COMPACT 3) via RS485 protocol. The maximum transmission length is 100 meters. Strong anti-jamming. Standard Config: Compact 3-Star Multiplexer 4 pin diagnostic cable 38pin diagnostic cable 14 pin truck diagnostic cable Power supply cable or PC.