Ericci

Hello to All, can someone tell me if i will replace ECU on my 2020 c43 amg with ECU from different car ( also c43 amg ) with different VIN - if this will be working fine ? If not what i can do to make it work??? As i hear different opinion ,
can i just change vin # with some software after installing another ecu or i dont need too re wright the vin ?? Thank u for your help