Search engines will find links on file-sharing sites, Telegram channels, and automotive forums. But be aware:

Xentry Patcher (by Blue Sky) is a third‑party tool commonly used to modify or patch Mercedes-Benz Xentry diagnostics software. Such tools are typically circulated on enthusiast forums, file‑sharing sites, or private repositories. They may enable activation of features, bypass license checks, or alter software behavior.

Warning: Downloading cracked software is risky. You should only proceed if you understand the legal and cybersecurity implications.

If you still wish to find the patcher, here is the typical process used by independent mechanics: