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View Poll Results: Does road or engine noise bother you on the highway in your diesel Mercedes?
Heck yeah, it's annoying 11 28.21%
Sort of, but I got over it 11 28.21%
No, I like the noise 15 38.46%
I just want a Mtn. Dew 2 5.13%
Voters: 39. You may not vote on this poll

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  #46  
Old 09-18-2009, 03:38 PM
Dee8go's Avatar
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Join Date: Apr 2006
Location: Arlington, VA
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Boy, that turned out very nice. Good job!

As far as the speaker problem goes, Chadd modified the speaker grilles in his wagon because the tweeters sat too high. Look through his posts if you want to see how he handled that. His solution turned out very well.
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1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 25,000 miles
2002 C320 Wagon 113,000 miles
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  #47  
Old 09-18-2009, 03:42 PM
b2948kevin's Avatar
The Dragon Slayer
 
Join Date: Oct 2008
Location: Reno, NV
Posts: 97
Here are a couple more pics. You can really see the difference in the colors of the original Palomino under the rear seats, the faded palomino on the back of the rear seats, the faded palomino (nearly pink) on the right rear panel that holds the jack and first aid kit, and the new carpet that I put in.

More thoughts:

If you're going to put new carpet under the seats, which I recommend, be sure to do it when you have the seats out. Don't get in a hurry like I did and put them in unfinished.

I'm sure I'll have more soon, but for now, I'm calling phase 1 complete with this post-mortem assessment, and all stakeholder approval (me). The success criteria has been met, and this project is leaving the close phase (yes, I'm a Project Manager ).
Attached Thumbnails
Soundproofing my 84 300td-dsc00739.jpg   Soundproofing my 84 300td-dsc00740.jpg  
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84 300td (Yes, a wagon)
"The Golden Dragon"
195k, 2nd owner
Lives in Redmond, WA
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  #48  
Old 09-18-2009, 03:51 PM
Dee8go's Avatar
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Quote:
Originally Posted by b2948kevin View Post
. . . You can really see the difference in the colors of the original Palomino under the rear seats, the faded palomino on the back of the rear seats, the faded palomino (nearly pink) on the right rear panel that holds the jack and first aid kit, and the new carpet that I put in
. . . . .
You mean "Pink-amino?"
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" The market, like the Lord, helps those who help themselves. But, unlike the Lord, the market does not forgive those who know not what they do."- Warren Buffett

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 25,000 miles
2002 C320 Wagon 113,000 miles
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  #49  
Old 09-18-2009, 05:47 PM
b2948kevin's Avatar
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Join Date: Oct 2008
Location: Reno, NV
Posts: 97
Yeah, seriously! Serious fade to Pink-omino...

BTW, the carpet I used was latex backed Ozite brand. I will get part numbers later.

I went by a second hand fabric store today and found a bunch of foam and carpet. Might be a good place to look for foam and carpet. Just make sure it's unbacked carpet and closed cell foam.
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84 300td (Yes, a wagon)
"The Golden Dragon"
195k, 2nd owner
Lives in Redmond, WA
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  #50  
Old 09-19-2009, 02:39 AM
b2948kevin's Avatar
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Join Date: Oct 2008
Location: Reno, NV
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Alright, carpet details on tap. I bought 5 yards of Ozite in Buckskin color, part # CB8LM430072. I am pretty happy with it, but like I said before, get 8 yards. You'll need it, at least for a wagon.
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84 300td (Yes, a wagon)
"The Golden Dragon"
195k, 2nd owner
Lives in Redmond, WA
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  #51  
Old 09-02-2010, 07:50 PM
b2948kevin's Avatar
The Dragon Slayer
 
Join Date: Oct 2008
Location: Reno, NV
Posts: 97
Near 1 year update:

Is it really quiet?
-Yes, it's pretty awesome.

Was it worth it?
-Not really, it was a lot of work. I do like the carpet though, that was definitely worth it. The knowledge of the interior of my car was also valuable.

Do you recommend someone else do a project like this?
-If you plan on having the car forever, maybe. You'll never gain anything in resale by doing this. The carpet is nice to have brand new, but this was way more work than I thought it would be originally. Limit your scope if you attempt a project like this.
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84 300td (Yes, a wagon)
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Lives in Redmond, WA
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  #52  
Old 09-13-2010, 11:18 PM
sd300td's Avatar
huh?
 
Join Date: Jul 2007
Location: San Diego
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Quote:
Originally Posted by b2948kevin View Post
Thanks for the comments, guys.

Dee8go, I totally regret not having taken a reading before this. I don't know how I would have done it, but it would have been stellar to get some quantitative date to show the improvement. I was thinking that I might ask someone with a wagon similar to mine to take a reading and post it, and then compare to a reading that I take after. Won't be a 100% comparison, but it would be pretty good.
I'd volunteer a sound sample from my 82 wagon, but I don't have a decible meter.
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1982 240 D, 308,000 - 321,127 miles (sold)
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  #53  
Old 09-23-2010, 12:38 AM
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Location: Sterling, VA.
Posts: 286
thanks for this thread. i have an 84 300td and would be inclined to insulate the floor w/ 1 layer, but the floor is rotten and it needs to be replaced anyway. good for future reference.
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  #54  
Old 02-06-2011, 01:50 AM
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Excellent thread. I have thought many times about doing this on my 115. I really want to cut down on the road noise if I can. Currently the car bothers the wife and I want to change this.
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  #55  
Old 02-06-2011, 02:41 AM
b2948kevin's Avatar
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I am glad that this thread is still providing value. I am still around if you have questions.
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84 300td (Yes, a wagon)
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  #56  
Old 06-15-2011, 06:44 PM
Austin85's Avatar
Smells like Diesel..
 
Join Date: Jun 2005
Location: Boca Raton, Fl
Posts: 2,723
Just read this post for the first time as I just picked up an Aerostar and am thinking of sp'ing a bit....

rear wheel drive in a stock ford is not as quiet any stock Mercedes....

I've replaced many front dash speakers in my 300D -CDs and excellent sounding -worthy of all your effort- 4" speakers would MB Quart .....

* note you cannot get any speaker that has a protrusion above the outside rim /frame of the speaker itself ...these are a bit high in price
http://www.onlinecarstereo.com/CarAudio/p_17712_MB_Quart_DKG_110_US.aspx

but sound on MBQ is amazing...I've bought many car components from Sonic, and they have good product/prices...and CS....

this link has multiple choices all of which are better than the old cardboard original equipment...you can click on drop down for shallow mount design at bottom left .....
http://www.sonicelectronix.com/cat_i33_4-speakers.html

Good luck !! (anyone ever soundproof an Aerostar?) ...
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'87 924S
'81 280SEL

Sold ->

81 300SD -
93 300E w/ 3.2
85 300D-
79 300SD
82 300CD
83 300CD - CA
87 190E 5 spd
87 Porsche 924S

"..I'll take a simple "C" to "G" and feel brand new about it..."

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  #57  
Old 06-15-2011, 06:48 PM
b2948kevin's Avatar
The Dragon Slayer
 
Join Date: Oct 2008
Location: Reno, NV
Posts: 97
Good to hear that you liked the thread. The soundproofing is still working well, but it sure was a lot of effort.

Advice to anyone looking to do this: think long and hard about your budget and motivation. This was a difficult project.

PM me if you have questions.
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84 300td (Yes, a wagon)
"The Golden Dragon"
195k, 2nd owner
Lives in Redmond, WA
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  #58  
Old 06-16-2011, 05:56 PM
Austin85's Avatar
Smells like Diesel..
 
Join Date: Jun 2005
Location: Boca Raton, Fl
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Quote:
Originally Posted by b2948kevin View Post
Good to hear that you liked the thread. The soundproofing is still working well, but it sure was a lot of effort.

Advice to anyone looking to do this: think long and hard about your budget and motivation. This was a difficult project.

PM me if you have questions.
Just trying to offer some advise on front speakers since you had asked and no one really stepped up .

...........
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'87 924S
'81 280SEL

Sold ->

81 300SD -
93 300E w/ 3.2
85 300D-
79 300SD
82 300CD
83 300CD - CA
87 190E 5 spd
87 Porsche 924S

"..I'll take a simple "C" to "G" and feel brand new about it..."

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  #59  
Old 08-08-2011, 11:42 AM
Longtime dieseler
 
Join Date: Jun 2011
Location: SoCal
Posts: 39
Nice!

Super nice thread and great info. I particularly like that you included quantities. With so many corners, grooves and weird angles it's seems impossible estimate how much material to buy.

Did you ever do the doors? I've read quite a few threads here and elsewhere - many say the doors are the least soundproofed surfaces and benefit the most from deadening.

Dave
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  #60  
Old 08-08-2011, 12:07 PM
b2948kevin's Avatar
The Dragon Slayer
 
Join Date: Oct 2008
Location: Reno, NV
Posts: 97
Yeah, I did do the doors. Plan to spend some time in the doors with a putty knife because there's some waxy material that's on there pretty good. You have to scrape it off and clean the surface before you can get good adhesion inside the doors. This is a good chance to look for vacuum leaks if you have any
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