[Samic]

Samic what about W906 reading via OBD?

W906 cannot read by OBD,still fixing.if W906 add key or all key lost,same method as motorola eis.remove eis get eeprom.

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Hello klisenko
W221 is motorola eis,about all key lost cannot support online calculation get password directly.
you can do like this:
remove W221 eis,get eeprom by programmer(such as VVDI PROG),then load eeprom to VVDI MB TOOL to prepare key file，write key and insert to eis for key learn.

W221 EIS is motorola ? which mask ? i have one W221 one week a go open and there was only "DUSSELDORF" on the MCU

maybe only parts of W221 is motorola EIS,you can see the attachment photo its motorola eis.
any way,about W211 all key lost you can change a new EIS do you work.
read all key lost eis data,then write to new eis(enter password at random/as you want)then prepare key file with the enter password.