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Old 04-22-2013, 04:13 PM
Proud new owner
Join Date: Aug 2011
Location: Brooklyn NY
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Quick 1979 Muffler Question 300TD

Hi All,

Well, on my way to my inspection my muffler fell off. Perfect.

I didn't pull over on the highway to grab it, as things were moving fast and I didn't feel like risking it all for a muffler.

My plan is to replace the whole exhaust system up to the manifold. For a 1979 I can't seem to find a new rear muffler anywhere. But for a 1980, I can.

I'm guessing these are identical. Any reason to believe they aren't?

Also, anything to be especially careful of in this replacement?

Thanks everyone,

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Old 04-22-2013, 04:45 PM
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Ham Shanker
Join Date: May 2008
Location: Baltimore, MD
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If it's a turbo you technically don't need a muffler. If it's NA any old properly sized muffler can do the job.
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Old 04-23-2013, 06:15 PM
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Thanks! (it's Naturally Aspirated)

Last edited by BenCohen-300TD; 04-23-2013 at 06:28 PM.
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Old 04-23-2013, 06:17 PM
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Judging by the fact that its a '79 you'll need some sort of muffling device. If its only the rear muffler, then just weld up some pipe leading out.
1981 300TD 4 speed manual
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Old 04-24-2013, 12:15 AM
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Location: Mount Holly, NC
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79 and 80 are identical.
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
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Old 04-24-2013, 06:30 PM
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Location: Brooklyn NY
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Perfect, thanks guys. It has sounded basically the same without the rear muffler, maybe very slightly louder.

If the rest of the exhaust system weren't already patched up (with some aluminum sheet and hose clamps) I'd definitely opt to just weld on a pipe.

Thanks again,
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Old 04-25-2013, 02:20 PM
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Join Date: Apr 2011
Location: Toronto, Canada
Posts: 231
Purchase the downpipe from the dealership (ordered from germany). It is only $50. It goes from the manafold to underneith the car.

Then from there purchase the "ansa" muffler and reasonator

http://www.***********************/search/?N=0&Nr=AND(wpn_tl_name:Engine+%26+Drivetrain,wpn_cat_name:Exhaust+Systems+%26+Components,wpn_scat_name:M ufflers)
1976 Mercedes 240D (Sold)
1985 Mercedes 300D Turbo Diesel: 500,000KM
1986 Mercedes 300E (Sold)
1988 Mercedes 300E (Sold)
2002 Mercedes C240 (Sold)
2008 Mercedes C350 4matic

A great site for purchasing industrial rubber products!

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