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Noise issue

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Old May 14, 2024 | 09:51 AM
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cypress822
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GLE 450
Noise issue
Hello,
I have a 2021 GLE 450.
I noticed that when the car is cruising between 42-49mph, there is a whine type noise coming from under the care somewhere. The noise is noticeable, but not loud. It doesn't seem to matter if I let up on the accelerator or press it.
Thoughts?
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Old May 14, 2024 | 11:00 AM
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2024 GLE 450, 2009 SLK 300
High pitched or low pitched? Does it change with speed? Are the tires wearing normally? Manually change gears when you hear the noise. Does it continue?
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Old May 14, 2024 | 11:34 AM
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'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
Is anything caught under the car?
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Old May 14, 2024 | 11:48 AM
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From: unbegrenzt
2017 GLE350 4MATIC
Originally Posted by cypress822
Hello,
I have a 2021 GLE 450.
I noticed that when the car is cruising between 42-49mph, there is a whine type noise coming from under the care somewhere. The noise is noticeable, but not loud. It doesn't seem to matter if I let up on the accelerator or press it.
Thoughts?
Door mirror wind noise? This was commonly noted when 167 launched.
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Old May 14, 2024 | 04:35 PM
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GLE 450
I will try to change gears manually to see if that changes the noise.
Definitely not the mirrors--had that fixed. It is coming from underneath the car.
I would describe it as more of a dull medium pitched noise. It does not appear to change with speed, but stops right at 50mph and begins at about 43mph
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Old May 14, 2024 | 04:48 PM
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From: MA
MY2024 GLE 450
Originally Posted by cypress822
I will try to change gears manually to see if that changes the noise.
Definitely not the mirrors--had that fixed. It is coming from underneath the car.
I would describe it as more of a dull medium pitched noise. It does not appear to change with speed, but stops right at 50mph and begins at about 43mph
Do you have a roof rack or an extra spoiler?
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Old May 15, 2024 | 11:20 AM
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GLE AMG 63S
Look under the car and see if all the lower covers are properly screwed to the body.
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Old May 15, 2024 | 02:49 PM
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GLE 450
I do not have a rack.
It does not change if I manually change gears.
Thanks
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Old Jun 12, 2024 | 02:04 PM
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GLE 450
Update:
They believe it is the rear differential. They changed the fluid and said it should go away in a 100 miles or so. Sounds persisted, and they are replacing the rear differential.
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Old Jun 12, 2024 | 02:21 PM
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Originally Posted by cypress822
Update:
They believe it is the rear differential. They changed the fluid and said it should go away in a 100 miles or so. Sounds persisted, and they are replacing the rear differential.
Interesting, does heat affect the sound at all?
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Old Jun 12, 2024 | 02:27 PM
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GLE 450
Not that i could tell
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Old Jun 12, 2024 | 04:40 PM
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Originally Posted by cypress822
Not that i could tell
Asking because different car but there is this:
https://mbworld.org/forums/s63-amg-s...ine-noise.html
https://mbworld.org/forums/c450-c43-...-thoughts.html
https://mbworld.org/forums/s-class-w...-replaced.html

Doesn't quite sound like the symptoms you experienced. Different car though.

Do hope that the replacement fixes your issue though.
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Old Jun 12, 2024 | 07:24 PM
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2020 GLE 350 4Matic, 2016 E350
Originally Posted by cypress822
Update:
They believe it is the rear differential. They changed the fluid and said it should go away in a 100 miles or so. Sounds persisted, and they are replacing the rear differential.
wow, how did they fill the read diff. it a pretty simple procedure. makes you wonder.
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