mercedes w204 elv problem

[gccb]

hi.
i have an elv from w204 blocked on lock position .
at the begining when i put key in ezs i hear elv's relay clickingn i opened the module and i found the motor broken, i changed it , i put back connector on elv ,motot spins for 2 times and blocked .
can somebody tell what is happeng?
is te mcu blocked?

[autodigitec]

If everything is mounted correctly and you dont hear the relay clicking, the nec mcu is disabled. If it is disabled you need proper tools to repair/program it or buy new elv from dealer.

[doctordiag]

buy new esl

[gccb]

wht tools can i use to repair it?

[mercis]

google for "esl doctor"