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GLC Class (X253) Produced 2016-2022
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Humming sound

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Old Jul 10, 2024 | 07:04 PM
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2023 GLC 300 4 Matic
Angry Humming sound
My 2023 GLC 300 4Matic makes a humming sound between 48 to 52 mph and this happens precisely at this speed when my foot is off the accelerator. The dealer tells me that it is common to all GLC 300 models after 2023. Does anyone have this problem. I am in NJ USA
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Old Jul 10, 2024 | 07:23 PM
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Originally Posted by shankar
My 2023 GLC 300 4Matic makes a humming sound between 48 to 52 mph and this happens precisely at this speed when my foot is off the accelerator. The dealer tells me that it is common to all GLC 300 models after 2023. Does anyone have this problem. I am in NJ USA
Common, it is the rear differential, different car but same idea: https://mbworld.org/forums/c450-c43-...-thoughts.html

That said though, it could also be bad tires.
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Old Jul 10, 2024 | 10:07 PM
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bone stock E55 AMG
moved to X253 forum...
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