Mercedes W205 Flood Damage Issues

Hello
i have mercedes w205 flooded car
i change

1] two fusebox - [ replace main cpu with old one ]
2] odometer - [ cpu change ]
3] ezs - [ cpu change ]
4] ecu - [old no change ]

but after that car only parking light , no anything
so i want to know if any module or any eeprom swap with old one

thanks