Autel IM508 & XP400 could read key password on Mercedes Sprinter EIS W906 via dump or via OBD directly. Here’s the procedure on reading password via dump.
Follow im508 wiring diagram to connect EIS 906 with xp400 programmer
Select Programmer function->Chip->Chip read and write->Immobilizer->Mercedes Benz->EIZ(W906)MC9S12DT256->EEPROM->Read
Read data success. Save data.
Select Immobilizer function->Mercedes Benz->Manual selection->Sprinter->2006-2018->Fobik key
confirm vehicle information
Press Yes to continue
Select Control Unit->EIS tools->Load EIS data
upload data just saved
Loading files
Autel IM508 and XP400 Reading key password success
You can then make a key with it as normal obd but it only takes few minutes.
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