Cause: The Windows Service "MB Update Service" has crashed.
Fix: Open services.msc as Administrator. Find "Mercedes-Benz Update Service." Set Startup Type to Automatic and click Start. Restart the Control Center.
The Control Center is often the first place a technician looks when the diagnostic system fails. xentry update service control center
A. "No Found Multiplexer" Errors If Xentry cannot see the diagnostic tool, the issue is often resolved within the Control Center by: Cause: The Windows Service "MB Update Service" has crashed
B. Update Failures Updates often fail due to interrupted connections or server timeouts. your Xentry system becomes a static
C. License Validation Errors If the software claims the license is invalid or expired:
| Requirement | Detail | |-------------|--------| | Operating System | Windows 10/11 Pro/Enterprise (64-bit), often customized with Daimler security policies. | | Internet | Broadband connection (≥ 10 Mbps recommended for large data packs). | | Disk Space | Minimum 100 GB free (updates can be 10–40 GB each). | | RAM | 8 GB minimum (16 GB recommended). | | Backend Access | Firewall open to Mercedes-Benz update domains (specific IP ranges/URLs). | | User Rights | Local Administrator for installation; standard user for runtime control. | | License | Active Xentry Diagnostics subscription (time-based or per-use). |
The term "Control Center" implies command. Without this service running, your Xentry system becomes a static, outdated brick. Modern Mercedes-Benz vehicles (especially those with the NTG 6.0 and 7.0 systems, EQ electric vehicles, and complex 48V mild hybrids) change their control unit firmware monthly. The Control Center ensures your diagnostic head (SDconnect or C4) speaks the same language as the car.