Official Xentry has a "time limit." If you don't pay the subscription, the software locks. The Amazing Road patch removes the license check entirely. Once installed, the software works indefinitely.
If you need help setting up a Xentry system,C5 vs. C6) Steps for installing a virtual machine Basic troubleshooting for Xentry communication errors amazing road xentry link
The Amazing Road Xentry Link usually operates as a device. This is crucial because it means the hardware is not limited to Mercedes. You can use the same cable with other OEM software like BMW ISTA, VAG ODIS, Toyota Techstream, or Ford IDS by simply switching the driver settings. You are buying a universal bridge, not a Mercedes-only paperweight. Official Xentry has a "time limit