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View Full Version : MERC W203 ECU SWAP/REPLACEMENT



chizzy85
18th November, 2017, 03:06 AM
Hello Friends.


Guys i need help on a merc W203 im working on. The original ECU for the car go burnt, the owner of the car bought another ECU with same part numbers but slight differences on PCBs, he had someone remove/swap the flash AM29F400BB from the burnt ECU into the replacement ECU car failed to start. key is working perfectly and ignition turns. I have read the EIS, ESL, and the 2 AM29F400BB and attached.


Can someone help me match these files so the car starts.


any help goes along way

MVVL
18th November, 2017, 04:07 PM
Hi. AM29F400BB - 256 kb ?

Shmortz
18th November, 2017, 04:58 PM
you must swap eeprom also, 95p08 maybe...
what type of ECU?

LEORNARD NKATA
18th November, 2017, 05:02 PM
Hello Friends.


Guys i need help on a merc W203 im working on. The original ECU for the car go burnt, the owner of the car bought another ECU with same part numbers but slight differences on PCBs, he had someone remove/swap the flash AM29F400BB from the burnt ECU into the replacement ECU car failed to start. key is working perfectly and ignition turns. I have read the EIS, ESL, and the 2 AM29F400BB and attached.







Can someone help me match these files so the car starts.


any help goes along way

just swap the eeprom st sp08 and car will start or read sp08 from old ecu and write on new ecu then car will start