Problem:
Got the Topdon Rlink X7 adapter and 02/2026 version Benz Xentry OpenShell XDOS software to troubleshoot a Mercedes Benz W639. Got the Benz driver installed and Rlink suite detected the X7 device. But XDOS software has not connection with vehicle.
Error: “Initialization of Diagnosis Multiplexer Failed”
Any solution?

Solution:
You have installed the J2534 driver for benz Pass-thru version Xentry.
To use Xentry OpenShell XDOS version software, you need to install Benz PDU driver.





