SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: 2003 SL55 - High Pitched Noise audible only within cabin after tire change

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Old May 15, 2024 | 08:25 PM
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stthall's Avatar
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2003 SL55
2003 SL55 - High Pitched Noise audible only within cabin after tire change

Just had my tires changed, and initially after i left, the steering wheel wasn’t “locked” or at least that’s what Big O Tires said as I returned to the store because my steering wheel was off center. Immediately after, ive noticed a high-pitched noise from inside the cabin that will not subside. It is not audible outside the cabin and for awhile I thought i must have tinnuitis. Now i know for certain this is not the case. There is a high pitched noise that persists for as long as the car is on. I took my SL into a mercedes dealer for the Service B and they made no mention of it. I want to say that I used to hear this noise starting up the car, but after a moment or two, itd turn off. Now it persists. Has anyone encountered this issue? Very high pitched, persistent noise, audible only within the cabin “EEEEEEEEEEEEEEE”

Edit - the noise does not change with speed or driving, the same pitch regardless of use.


Thanks

Last edited by stthall; May 15, 2024 at 08:45 PM. Reason: More descriptive
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Old May 16, 2024 | 08:44 AM
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ldeem's Avatar
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SL55
Could be heater/AC fan motor or maybe door actuator?
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Old May 17, 2024 | 10:26 AM
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ill look into your suggestions. thanks
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