Power window/wiper/signal lights/side mirror w210

Hi.. Pls advise me what is the cause power window/signal lights/wiper and side mirror sometime in few minute function and disfunction most of the time.its happened since few days ago. Tq

Hi..
Pls advise me what is the cause power window/signal lights/wiper and side mirror sometime in few minute function and disfunction most of the time.its happened since few days ago.
Tq

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