Supports diagnostic and coding functions for passenger cars (W223, W206, W213FL), vans, and heavy-duty trucks through the Xentry and DAS interfaces.
Includes "DAS Standalone" and "DAS SIM" fixes, along with the restoration of "DAS Special Functions" and "DAS Prototypes," which are often hidden in standard versions.
The "License 0 day fix" ensures that the diagnostic license does not expire prematurely, providing a stable long-term environment for the user. Fullfix-xentry-2021-12 V3
Windows 10 (Pro/Enterprise) is mandatory for this version.
V3 removes the mandatory Xentry Diagnosis OpenShell (XDOS) login window, allowing technicians to enter the software without an internet connection or an official dealer account. Supports diagnostic and coding functions for passenger cars
Antivirus software should be disabled during the patch application to prevent files from being quarantined.
For those looking for the latest available tools, retailers like Maverick Diagnostics provide updated guides on newer 2025 software versions, though the 2021.12 V3 remains a popular choice for its stability in older hardware environments. Windows 10 (Pro/Enterprise) is mandatory for this version
You must disable Secure Boot in your laptop's BIOS before starting the installation.
Fixes issues where vehicle pictures were missing in the interface and includes the Xentry New Long Key patch for full activation. Supported Hardware and Vehicles
Works with VXDIAG VCX SE , SDConnect C4/C5, and Mercedes VCI .