MB Star SD Connect C4 Xentry Connect No Connection to The SDconnect Can Be Established (749) Error Solution

MB Star SD Connect C4 Xentry Connect with latest 09/2017 Mercedes Xentry/DAS Star Diagnosis Software support programming offline and online. V2017.9 MB Star C4 Software With Xentry OpenShell XDOS Patcher. Some customers may met The Diagnostic computer cannot be connected to sdconnect error. Below OBD2Tuner.com sharing MB Star SD Connect C4 Xentry Connect No Connection to The SDconnect Can Be Established (749) Error Solution.

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I got OBD2Tuner.com MB Star C4 xentry connect ,everything go well ,after two weeks , I got the problem as the picture show, I don’t know how to do it, pls help!
 
MB Star C4 Xentry Connect Error”No connection to the SDconnect can be established (749)” Problem Display：
 


Reason & Solution

MB Star C4 Xentry Connect is B classes do not support firmware, and with Mb Star C4 SD Cnnect serial number 101044, when it diagnostic with newest version xentry diagnostic software, firmware will update automatic, then the sd connect firmware be locked.

OBD2Tuner.com MB Star SD Connect C4 Xentry Connect No Connection The Diagnostic computer cannot be connected to sdconnect error Solution: 
 
SD Connect power supplier cut down when the firmware update

Solution—— insert battery for obd2tuner.com SD Connect, then do the diagnostic processing normally to update the firmware
 
Pls kindly note of Mercedes star diagnosis tool from obd2tuner.com: 
 
1. OBD2Tuner.com Mercedes benz xentry have update to 2017.09 Mercedes Xentry/DAS Star Diagnosis Software version, if customer need use V2017.9 MB Star C4 software work for Mb Star C4 Xentry connect not from us, pls be careful to check the sd connect serial number firstly.

2. OBD2Tuner.com V2017.9 MB Star C4 Software work with HQ Mb Star SD Connect C4 Xentry Connect which serial number is 100925, support firmware update online.

3. Any problem caused by customer incorrectly using of obd2tuner.com MB SD Connect C4, we will do not responsible for this problem.

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