M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

ML430 A/C Chirping Sound

Old 01-04-2013, 01:03 PM
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1999 Mercedes ML430
ML430 A/C Chirping Sound

My 1999 ML430 has started making these chirping sounds through the air vents and I'm trying to figure out where it's coming from. It sounds like it is happening on the passenger side and is most noticeable when the air speed is on low. It's not a constant sound and kind of comes and goes, but is definitely noticeable when it is there. Almost sounds like something giving out. Happens with the A/C off or on.

Any hints/ideas??? Thanks
Old 01-05-2013, 04:38 AM
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2002 ML 320 & 2006 ML500
Same as the other thread.

https://mbworld.org/forums/m-class-w...ml#post5493631

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