Look here: managed to program NEC key v52 from W221 usingVVDI MB TOOL

How-to’swith images:

Write

Key file: v51

Writing data

Load key file

Read and write key

Mode: IR

Type: NEC key (original)

Identification key

Renew

Read data successfully

Mode: NEC adapter

Type: v03, c06, c08 keyless go

Identification key

Prepare key file

Write data successfully

Mode: OBD

Chassis: w221

Read EIS data

You’ve better write VIN before writing EIS data

Write VIN successfully

Write EIS data

Read EIS data

Read EIS data successfully

EIS is normal

NOT activated

Load original EIS data

Save EIS data

Write VIN

Activated!

Read EIS data

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