If you are trying to connect to a W223 or W206 and getting no signal, you likely have a speed mismatch.
Apply the "Full Fix" files (often involving copying files into the C:\Program Files (x86)\Mercedes-Benz\Xentry directory). Configure the XENTRY Update Service to manual or disabled. Restart the system and verify the VCI connection. If you are looking for a specific download link activation key Fullfix-xentry-2021-12 -
This article is for educational and informational purposes only. The author does not condone software piracy or the use of unlicensed diagnostic tools. If you are trying to connect to a