Intermittent rattle when hitting bumps
I just took over a lease on a 2007 Mercedes S550 4Matic for 12 months and really love the car.
The only thing I've noticed is an intermittent rattle when going over bumps - sounds like it's coming from somewhere behind the instrument panel (or to the left of it - possibly closer to the driver window).
Of course murphys law - when I went to Mercedes on a road test, no rattle could be heard lol.. And sure enough, an hour later when driving, it came back. No idea why it comes and goes. Does not seem to be related to cold weather (I live in Quebec)..
Any idea what could be causing it, or where i should advise MB to look if they cannot hear any rattles on a test drive?
Also my seat squeaks but I can live with that one...
Any help would be much appreciated
Thanks
They fixed up the mags and balanced tires before giving me the car. My rattle is definitely coming from inside, I hear it loud and clear even over small bumps. But have no idea where it's coming from, so frustrating ....
Last edited by hanzsolo; Apr 9, 2012 at 09:52 PM.
I checked that area you mentioned before driving to work and it seems to be pretty solid, but will check again when I hear the rattle on my way home.
I did hear the rattle again this morning and it sounds like it's coming from near the left driver side air vent (behind or beside who knows lol) to the left of the dash. Could even be further up near the windshield. If only it was not intermittent

Thanks all
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In my case after replacing the driver vent (that did nothing) they went back in and covered up some things in and around the vent with felt tape or insulation or something and my chirp is no more. They also took the dash down and all sorts of other things as well so I have no idea where all they put that tape. My interior could be covered in it for all I know.
If anyone else has some experience with remedies for internal noises please share as I cannot think of many things more annoying than a fine automobile rattling or squeaking or thumping. I should only hear the engine accelerate and music in my opinion.
I found it hard to locate the noise source since the noise bounce around in the cabin.
Anyway .... it is a shot in the dark but check out the attached star bulletin addressing noises coming from cluster area.





but the smell of a new leather and the quietness..
