Window regulator weird noise

[MarioVrs]

Hi all, as above my 2018 280 has developed rather strange noise on front passenger side window when rolling up till close. It's only that moment when it's shutting completely it kinda clicks but lot different than the rest... Car is still in warranty until next year May but I'm going to Austria on 5th for a month and taking a car so last thing i want is being left with window open on motorway 

[MarioVrs]

Anybody please? Just want to know if someone else had this

[numskull]

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