View Poll Results: Humming sound while coasting at 48 to 52 mph
Is it restricted to only 2023 models
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Is the noise only for GLC 300
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Humming sound
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Joined: Jul 2024
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2023 GLC 300 4 Matic
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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Joined: Dec 2019
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That said though, it could also be bad tires.
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