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Old 07-06-2002, 12:25 AM
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Join Date: Sep 2001
Location: Austin, Tx
Posts: 713
What are these vents in the trunk?

Hey everyone! On my 92 300E, there are these rectangular vents in the trunk behind the trunk paneling. What do they do? I had taken off the bumper to fix some rattles, and it seems that the vents are rattling as well, but I could'nt hear them previosly because the chrome trim was rattling louder. Btw, I am trying to keep my trunk from rattling as I put in a couple 10s and at medium listening levels, the bass inside is great, but on the outside my car sounds like its gonna fall apart. If these vents are sacrificable, I think ill take some great stuff to em and seal them up.
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Old 07-06-2002, 01:02 AM
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Join Date: Jun 2001
Location: San Francisco, CA
Posts: 3,097
They are the vents for your flow through ventillation system: exits out your trunk.

I have eliminated a lot of the the vibration by using sound deadening applied to the inner panels. Works very well. Makes the doors close with more of a clunk.
'03 E320 Wagon-Sold
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Old 07-06-2002, 01:03 AM
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Join Date: Aug 1999
Location: ajax, ontario, canada
Posts: 773
If they are at the rear of the car, then that is where some of the air that flows through the inside of the car exits. There are flaps so that the exhaust gases cannot be sucked back in into the car, which can cause CO poisoning.

You can hear the flaps when you slam the door or the trunk shut.

at least that's my opinion ... ( a la dennis miller )
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Old 07-06-2002, 01:27 AM
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Join Date: Sep 2001
Location: Austin, Tx
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yea, the flaps are making the noise. So whats the prognosis then? They need to stay?
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Old 07-06-2002, 06:28 AM
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Location: Mission Hills in the City of San Diego
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To my knowledge, and according to MBenz (Steve), the vents are to let air pass out of the trunk when it's being closed.
2006 E350 w/ 155k miles (Daily Driver)

1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
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1999 S420 (Mom's/Dad's)
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