W209 center console buzz noise

[ChristopherLembra]

Hi, on my w209 the center console makes a weird nose. Not that ticking sound that many ppl have but the computer makes kinda retarded sound. U know like very old computers make. A kind of buzz. Anyone knows whats up and how to remove it? Maybe clean it from dust inside??

 

[ChristopherLembra]

Here is link for what it sounds like

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[BTB 500]

Sounds like a cooling fan with worn bearings.