: Third-party keymakers and patches are often flagged by antivirus software. Since they require administrative privileges to modify system files, they can introduce malware or backdoors to a workshop's network.

: Deactivate or activate hidden features, such as "Video-in-Motion" for TV/DVD playback or enabling cornering lights via the Driver Side SAM. System Resets

Using Keymakers constitutes software piracy. It violates the End User License Agreement (EULA) of Mercedes-Benz. While enforcement against individual mechanics is rare compared to large-scale distributors, it remains an illegal activity in most jurisdictions.

Patched versions of the software, such as Xentry Keymaker V2.1 Developer Mode Patched, imply that the software has been modified to bypass or alter certain restrictions, potentially allowing users to access features or functionality not available in the standard version.