When run Mb Star C4 Xentry or other previous versions, the error show “No more updates can be installed on the diagnostic system.”.
How to fix it ? Please check the instructions as bellow :
Mercedes Xentry error when Mercedes MED177 M278 engine for E550 4matic 2012
Xentry error message
The following functions are not available:
Control unit update
Same error also show when Xentry program Mercedes 7G tronic transmission
Quick fix method for MB Xentry error “No more updates”
(Tested and given by engineers)
Just download this new Kontexte file and replace the old one
The Kontexte file location should be:
C:\Program Files(x86)\ Mercedes-Benz \ Xentry \ Kontexte
And things done!
Now you can run Xenrty software and start again.