In this article uobdii.com share the guide on how to use CGDI Mercedes programmer to read,clear,write a NEC chip.And for more CGDI MB programmer test case,please check here:CGDI Benz Test Cases
Procedures:
step 1 dismantle the key and desolder the NEC chip

step 2 clean the pcb and nec chip before welding back on the board

step 3 identify the nec chip and weld onto the nec board

step 4 select the nec adapter and corresponding chip type

step 5 read key/chip

step 6 reset

step 7 if you have key files already, open/write

success!
step 8 read key/chip to confirm the success of key writing

Done!
CGDI MB is able to read and write NEC chips!