If you are using an older version of the VXDIAG VCX Benz Multi Tool (the large DoIP device) and encountering issues where the VX Manager cannot detect DoIP information and fails to update the firmware, you can manually update the DoIP firmware using the DoIP Update V1.5.9 tool. This guide will walk you through the process.
This method applies to older VCX DoIP devices with serial numbers starting with V71XN***.
Download the DoIP Update Tool:
Run the DoIP VCI Update Tool:
Update the Firmware:
Sync the Software: