How to Read, Reset and Write NEC Chip with CGDI MB

Here’s the guide to read, reset and Write NEC with CGDI Prog Mercedes Benz key programmer.

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Dismantle key and desolder NEC chip

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Clean PCB and NEC chip before soldering on CGDI NEC adapter

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Identify NEC chip and solder onto NEC-board

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Select NEC adapter and corresponding chip type

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Read Key/Chip

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Reset NEC chip

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Reset success

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If you have saved key files, click Open/Write, select a key file

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Write success
Back to click on Read Key/Chip to confirm NEC chip status

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CGDI MB write NEC chip success.

Note: If you need to repair Mercedes W204 207 212 ESL/ELV when NEC broken with CGDI MB, you need a Benz W204 ESL/ELV NEC chip for adaptation no need renew EIS.

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Step 1 : replace with  our new nec chip
Step 2:  assemble back ESL
Step 3: read EIS data and save
Step 4: renew ESL and the erase password is all 1
Step 5: load eis data and password,tick auto clear tp and personalise and press write  And job is done !

No need for EIS renew!!!
No need to wait hours for disabled NEC chip to renew !!!
Adaptation done within a minute!!!

Related posts:

  1. CGDI MB Adds Key to Old Mercedes K-line w202 w208 w210 via OBD
  2. CGDI MB update no need to replace the EIS lock for all key lost
  3. CGDI MB can readclearwrite NEC chips
  4. CGDI MB reviews OBD Add New Keys to Mercedes 2000-2019 ALL OK
March 20, 2019 Eva Auto key Programmer Leave a Comment

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