How to Update VXDIAG Benz VCI in Xentry VCI Recovery?

Q: When do you need to update the Xentry Diagnosis VCI version?

A: Your vxdiag vcx se benz/benz c6 IP setting is correct, the device is connected (no question mark icon),  but xentry reported error  ‘initialization of diagnosis multiplexer failed ‘, shown as image below:

Vxdiag Benz W639 Multiplexer Failed 1


1. if vxdiag benz c6 driver is well installed IN VX Manager

Vxdiag Benz C6 Driver 1

2). Run Xentry VCI Recovery program on the desktop, and check if xentry software version matches the Xentry VCI version (i.e 06/2021 xentry matches 2021.06 VCI version).

Press Update to update VCI until finished.

Vxdiag Benz C6 Driver 2

Vxdiag Benz C6 Driver 3

NOTE:  If your xentry reported multiplexer failed error and device cannot be detected (with a question mark),  check if Benz driver is installed, update C6 VCI and DoIP firmware.