For some reasons you need reset your Benz Xentry VCI to factory setting.Here is a instruction show you guide on how to initialize your Benz Xentry VCI to factory settings.
If required, you can reset XENTRY Diagnosis VCI to factory settings to erase any carried out
configuration. To do so, connect your VCI to the diagnosis computer via USB cable.
You need to remove the rubber cap and press the recovery button for 3 seconds. The red LED under the triangle icon must light up.
Then, click onto the “Start recovery” button:
After the recovery process has been carried out, your VCI is ready to be reconfigured.