How to use VVDI MB tool key programmer to renew Mercedes W211 ecu Cr3.xx?

1.Connect ECU with VVDI MB BAG Tool and CR3.xx adapter

2. Open VVDI MB software

3.Select Renew ECU/Gearbox

Read ECU information

3.Press Get button to calculate erase password online

4. Save the eeprom data

5. Click on Renew Button

Erase target unit success

6. Read ECU information again

VVDI MB BGA Tool Renew W211 ECU success.