Do I need a muffler? 300D - PeachParts Mercedes-Benz Forum

Graham · #1 09-11-2011, 06:48 PM

The muffler on our 85 300D fell off today.

Car amazingly sounds Ok with out it.

Anyone running without a muffler?

I would add a pipe extension if I left it this way.

mike-81-240d · #2 09-12-2011, 12:34 AM

The W123 has a muffler as well as a resonator. I ran without the muffler for a while, then got bored and had the resonator removed. Perfectly fine to remove the muffler.

Mine gets a bit loud though...

Biodiesel300TD · #3 09-12-2011, 01:54 AM

The purpose of the muffler is to muffle the sound. It might hold back a bit of exhaust particulates but very little really. If the sound doesn't bother you then you can run with out it. Usually cars get significantly louder with out a muffler. The 123's actually have two mufflers. Did you loose both or just one? If you only lost one that could be why it doesn't seem too loud.

mike-81-240d · #4 09-12-2011, 03:29 AM

One muffler removed
http://www.youtube.com/watch?v=Zc3aNsfOkJ8

Both removed
http://www.youtube.com/watch?v=GGOJTCXLjRs&feature=channel_video_title

Both videos were shot with the same phone. (HTC inspire)

Graham · #5 09-12-2011, 10:06 PM

Thanks guys! Mike you didn't have to remove your mufflers just for me

I checked with dealers - C$275 for OE muffler. Then Speedy Muffler - $299 for a Walker.
On-Line - About $145 incl shipping for ANSA - Never heard of them. Tried to order but for some reason Paypal wouldn't work.

So, will probably break down and install a new muffler. But no rush - have other old cars to drive

vstech · #6 09-12-2011, 10:42 PM

not sure what shipping would be to the white north, but I'm stripping several 123's and mufflers last a LONG time here in the no snow belt...

Bengoshi2000 · #7 09-13-2011, 06:45 AM

Quote:

Originally Posted by vstech

not sure what shipping would be to the white north, but I'm stripping several 123's and mufflers last a LONG time here in the no snow belt...

Any of those w123's have a header down pipe in good condition? The flex section on Khan has a hole I can get three fingers into (and I need to get him inspected next month).

vstech · #8 09-13-2011, 12:37 PM

Quote:

Originally Posted by Bengoshi2000

Any of those w123's have a header down pipe in good condition? The flex section on Khan has a hole I can get three fingers into (and I need to get him inspected next month).

nope...

JB3 · #9 09-13-2011, 12:47 PM

Quote:

Originally Posted by Graham

The muffler on our 85 300D fell off today.

Car amazingly sounds Ok with out it.

Anyone running without a muffler?

I would add a pipe extension if I left it this way.

worth checking local inspection rules. Removed the entire exhaust system and put in a 2.5" straight pipe on an 83 300D, only to discover that in order to pass inspection, I needed at least one muffler or muffler like object. Put in a twin tip resonator instead.

I only say this cause its annoying to have to go back in and adjust for a pesky rule. Might as well check and see if there are any, I was completely surprised they cared for a car that old, but I guess noise is noise. The resonator fit the restrictions without damaging the note of the exhaust I was going for.

Graham · #10 09-13-2011, 05:18 PM

Quote:

Originally Posted by dropnosky

worth checking local inspection rules. Removed the entire exhaust system and put in a 2.5" straight pipe on an 83 300D, only to discover that in order to pass inspection, I needed at least one muffler or muffler like object. Put in a twin tip resonator instead.

I only say this cause its annoying to have to go back in and adjust for a pesky rule. Might as well check and see if there are any, I was completely surprised they cared for a car that old, but I guess noise is noise. The resonator fit the restrictions without damaging the note of the exhaust I was going for.

Luckily we are grandfathered on this car - no inspections required. Besides even when it was done, they had no way to do it, so just looked at exhaust for a few minutes - not too much smoke - PASS!

VCTECH - Thanks for offer, but I found I could buy a new ANSA muffler in Canada for $115 incl shipping, so went with that.

DieselPaul · #11 09-13-2011, 06:05 PM

Its a turbo, you don't really need a muffler, turbos effectively function as a muffler. If it was a non turbo, you'd definitely need one.

Put it on the to do list, just not too close to the top IMO.

Graham · #12 09-13-2011, 09:44 PM

Quote:

Originally Posted by DieselPaul

Its a turbo, you don't really need a muffler, turbos effectively function as a muffler. If it was a non turbo, you'd definitely need one.

Put it on the to do list, just not too close to the top IMO.

That's a good thought!

But if new (cheap) muffler I "think" I ordered on line actually turns up, I suppose it might actually be an easier install than the extension pipe.

pawoSD · #13 09-13-2011, 08:22 PM

I have no muffler of any sort on my 300SD. Just a 2.5" pipe from the turbo to the rear bumper!

Its "loud" but not annoyingly so, turbo sounds amazing! My 420 is so quiet in comparison its almost eerie.

mike-81-240d · #14 09-15-2011, 01:01 AM

Shot this video earlier today.

http://www.youtube.com/watch?v=jHOUdK60PdA

t walgamuth · #15 09-15-2011, 06:04 AM

I tend to run one muffler now on my old 123s. If the rear one dies I replace it with a custom made pipe. If the middle one dies I replace it with a custom made pipe. The increase in noise running one muff instead of two is hardly noticable.

I have not tried running without any muffs....I tried that on my suburban once. It was way too loud. My wife made faces.

....me too.