The diagnostic software uses a strict licensing architecture managed through the Mercedes-Benz or older StartKey Manager utilities. Short Keys vs. Long Keys
A specific topic that frequently arises in automotive forums is the use of the tool to generate Long Keys for offline software registration. This article provides a comprehensive overview of what this tool is, how long keys function within the system architecture, and standard activation workflows. Technical Overview of Xentry Licensing Xentry Advanced KeyGen 1.1 - Long Key - MHH AUTO - Page 34