Topdon Rlink X7 Benz XDOS Not Connection with Benz Vehicles Solution

19/10/2026 sales Topdon Diagnostic Tool 0

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?
topdon rlink x7 xdos connection failed 1 topdon rlink x7 xdos connection failed 2 topdon rlink x7 xdos connection failed 3

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. 

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