MB SD Connect C4 Star Diagnosis Contact: CrystalMobile: 86 13798226468Website: www.obd2tek.comMSN: email@example.comSkype: obd2tekEmail: firstname.lastname@example.org The new generation for Mercedes-Benz diagnostic equipment SD connect C4 is the latest one on market for all current and new coming Mercedes-Benz vehicles. It can read code, clear code, live date offer, computer programming for all Mercedes-Benz car. The function difference between C3 and C4: SD connect C4 supports Wireless DiagnosisSD connect C4 supports not only KL diagnosis and three lines CAN BUS diagnosis, but also UDS diagnostic protocol. Because the board of Compact 3 doesn't contain UDS protocol chip, the hardware will be eliminated directly. SD connect C4 can do wireless diagnosis. Besides, it uses LAN cable connection. So it can support more computer model.