When the W202/W204/W207 ESL damaged, you use VVDI MB NEC ELV adapter to work together VVDI MB BGA tool to renew, then use MB BGA tool to reprogram key.
VVDI MB BGA TOOL Read Wirete Key NEC Adaptor modeRenew/Write new key file via NEC adaptor
Support versions:v51, v57v28, v35, v40v03, v06, v08 (Keyless Go)v05, v07, v09 (Keyless Go)v59, v61 (Keyless Go)
The above keys all with NEC chip (not BGA type). You need solder the NEC chip from key and place it to NEC adaptor
For NEC v51, v57 version, support read password from working key directly, no need read password from EIS
For all NEC types, you must use “Identification key” to read one time before renew/write key
How to place key NEC chip to adaptor via read/write/renew key via NEC adaptor