How to Solve SD Connect Mercedes C4 Xentry DAS License Key is Corrupted

Mercedes C4 Star Diagnosis xentry software newly update to v2018.12 XDOS work for Mercedes Benz till 2018.9.Xentry diagnostics with multi-language and support reading out & erasing trouble code,reading the real-time data of sensor and actuator, coding and programming.Some customers got Mercedes C4 Xentry DAS License Key is Corrupted.Here is the solutions.

V2018.12 WIN 7 MB Star C4 Software MB SD Connect Compact C4 Software HDD

Customer Problem:
Try to open MB SD Connect C4 Xentry DAS Programmer, it show
your license key is corrupted
please contact support@…


Solution of Mercedes C4 Xentry DAS License Key is Corrupted

Step 1: Run StartKeyCenter to get ID for activation
Open “StartKeyCenter” on Desktop, to get the SDconnect c4Hardware ID and App ID


Complete Licence information (Hardware ID, App ID, StartDay, ExpirationDay), then click “Generate” to get License String


Copy License String, then go to “StartKeys”, click “Enter” to read StartKey, then “Save” data

Step 2: Reactivate Xentry/DAS

Go to Local Disk C:/ ProgramData/ LicDir, the copy and paste “lic_key_2.dat”, re-name as “lic-key_2.x4711”


Setup Properties of “lic-key_2.x4711”, select Read-only
Then open XENTRY Diagnostics Openshell and close it
(NOTE: this avoids the activation code to be lost and reactivate Xentry)