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Light Squealing when driver door is opened with motor on

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Old Oct 17, 2021 | 03:14 PM
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rmdudley
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2019 E450 4Matic
Light Squealing when driver door is opened with motor on
Hi,

I have a 2019 E450. When I open the driver side door with the engine running (yes I am in park), I hear this squealing/grinding noise for about 2-4 seconds.

Any guesses as to what this might be and/or how to fix it?

Thanks!
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Old Oct 17, 2021 | 09:39 PM
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Lanzz
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2024 E450 AT Wagon, 2024 EQS450+ / Had: 2021 E350, 2019 E300, 2021 + 20 GLE350, 2019 E450 Wagon(s)
I think it is the electrically operated parking brake being applied. My 2017 and all of 3 of my 2019's have made the same noise.

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Old Nov 8, 2021 | 10:01 AM
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rmdudley
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2019 E450 4Matic
My dealer say this Squealing noise is normal. Really? Anything that can be done to resolve? Grease?
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Old Nov 9, 2021 | 08:28 AM
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2019 E200 sedan
Its the electric parking brake engaging, its completely normal. How often do you leave the car while its running for it to be such nuisance?
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