How to: write Mercedes original key with CGDI Prog MB key programmer through the NEC adapter.
Please insert the key into CGDI MB device
Click ”Read”, show related key information
Disassemble the key, take the chip out, and solder it to the NEC adapter
Read key, view related information
Reset and erase new key
Click open/write, pay attention to the prompt
Choose一unused key position data, click and open it
Take the chip out, solder NEC adapter back the key. Test the new key.