When to renew ESL?
1- something wrong with ESL motor-> replace it with a new ESL motor
2- dead NEC chip in the ESL-> replace it with a new ESL
What do you need to renew ESL?
How to replace ESL with VVDI MB BGA Tool?
Erase EIS, then re-write EIS and personalize ESL, finally ESL is synchronized. Note: if you not erase ESL at first, but only personalize ESL, the ESL won’t be synchronized.
To erase EIS, both Key password and Erase password are required.
1) For the “Key password”, you can get it by adding keys.
2) For the “Erase password”, you can get by VVDI MB tool it is at 90% percent success rate, if no success; email us the EIS data for help.
After input the two passwords, click “Save EIS data” then “Erase EIS”
Now the EIS is full new
Load EIS data
Tick “IR” to write EIS data and “OBD” to write VIN.
Click “Personalize W204 ESL”
Now, the options “Initialized”, “TP Cleared” and “Personalized” are ticked, except “Activated”
Insert the original car key then EIS and ESL is in “Activated” status.
Finally renew ESL with success.
It’s hard to buy Mercedes 204/207 EIS and they are expensive. If you have 204/ 207 all key lost, you are advised to use W212 EIS for replacement and the ESL n.
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