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Replace G320 Exhaust System
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Posted 9/24/2019 8:30 PM
Braingears
Expert




Date registered: Apr 2006
Location: St Petersburg, FL
Vehicle(s): G320 & ML320
Posts: 1404
1000
Replace G320 Exhaust System

My Europa G320 Exhaust System is completely shot! It died this past weekend, and now I can be heard from several blocks away. The cat is split apart, and the resonator is literally hanging on the pipes. When I put my hand over the exhaust pipe, nothing comes out... 

I live in Florida, and don't have to worry about any inspections at all.  

Does anyone make a reasonable complete replacement exhaust system? 

Can I adapt a single side exhaust from a G55 to replace it?

#241008
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Author
Posted 9/25/2019 6:36 AM
Luky
Elite Veteran


Date registered: Apr 2006
Location: Bratislava, Slovakia, EU
Vehicle(s): 300GE LWB auto, E320CDI 4M, VW Polo Classic 1.6
Posts: 1058
1000
Re: Replace G320 Exhaust System

You have a M104 (I6) or M112 (V6) G320?
#241009 - in reply to #241008
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Author
Posted 9/25/2019 7:31 AM
Braingears
Expert




Date registered: Apr 2006
Location: St Petersburg, FL
Vehicle(s): G320 & ML320
Posts: 1404
1000
Re: Replace G320 Exhaust System

Luky - 9/25/2019 6:36 AM You have a M104 (I6) or M112 (V6) G320?

 I have the M104 I6 3.6L AMG with single side dual pipe exhaust. 

#241010 - in reply to #241009
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Author
Posted 9/25/2019 11:30 PM
kiato4
Veteran


Date registered: Aug 2013
Location: New York, NY
Vehicle(s): 1995 G320, 1985 190E 2.3-16
Posts: 158
100
Re: Replace G320 Exhaust System

Timevalve had what I needed for my 1995 G320 with M104
#241012 - in reply to #241008
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Author
Posted 9/26/2019 12:11 AM
Braingears
Expert




Date registered: Apr 2006
Location: St Petersburg, FL
Vehicle(s): G320 & ML320
Posts: 1404
1000
Re: Replace G320 Exhaust System

kiato4 - 9/25/2019 11:30 PM Timevalve had what I needed for my 1995 G320 with M104

What did you have replaced on yours? 
How much did it cost?

#241013 - in reply to #241012
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Author
Posted 9/26/2019 8:53 AM
Luky
Elite Veteran


Date registered: Apr 2006
Location: Bratislava, Slovakia, EU
Vehicle(s): 300GE LWB auto, E320CDI 4M, VW Polo Classic 1.6
Posts: 1058
1000
Re: Replace G320 Exhaust System

This German company also offers the catalyst for the 463.231

http://www.kat-versand.de/Kat_defekt/kat_defekt.html

The 2x2 catalyst itself without the pipes should be also available from Bosal (I have one on my 300GE reads MADE IN USA), pt. nr. 99-883 or from Magnaflow pt. nr. 94008.
#241014 - in reply to #241008
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Posted 9/26/2019 10:09 AM
gerryvz
Extreme Veteran




Date registered: Apr 2014
Location: Annapolis, MD
Vehicle(s): 1994 G320, 1989 560SEC, 1994 E500 (W124)
Posts: 327
300
Re: Replace G320 Exhaust System

I'm not too far behind you, though mine is still OK (for now). Appreciate the information.

It does appear that the exhaust components are still available from MB, at least they were the last time I checked earlier this year.
#241015 - in reply to #241008
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Author
Posted 9/27/2019 1:56 AM
Luky
Elite Veteran


Date registered: Apr 2006
Location: Bratislava, Slovakia, EU
Vehicle(s): 300GE LWB auto, E320CDI 4M, VW Polo Classic 1.6
Posts: 1058
1000
Re: Replace G320 Exhaust System

I tried to order the catalyst in March, the parts guy at MB told me they have it in the system but none is available and I have to wait. Asked again in July and that time he showed me that there is some code like permanently unavailable- repair the original part if possible or contact Classic Center. I am not a big fan of aftermarket parts but as my catalyst was rattling really badly I decided to go for the Bosal catalyst from the parts store.
#241018 - in reply to #241008
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Author
Posted 9/27/2019 6:01 AM
Inkblotz
Expert




Date registered: Apr 2006
Location: Georgia
Vehicle(s): 90 300GD "Thundering Turtle II", w/ 603A turbo
Posts: 3083
2000
RE: Replace G320 Exhaust System

I replaced my entire exhaust system on my 463 300Gd using Magnaflo. I set it up just like the factory. Muffler on passenger side then pipe goes over rear axel to mate to second muffler and exit just in front of drivers side rear tire. Has been fantastic. With yours most muffler shops have aftermarket CATS. Place the cat just before the Magnaflo. I did this on my current 84 300GD that I am restoring as well.



(IMG_0574.jpg)



(IMG_0576.jpg)



(IMG_0578.jpg)



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Attachments IMG_0574.jpg (153KB - 0 downloads)
Attachments IMG_0576.jpg (133KB - 0 downloads)
Attachments IMG_0578.jpg (113KB - 0 downloads)
#241019 - in reply to #241008
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Posted 9/27/2019 6:17 AM
Inkblotz
Expert




Date registered: Apr 2006
Location: Georgia
Vehicle(s): 90 300GD "Thundering Turtle II", w/ 603A turbo
Posts: 3083
2000
RE: Replace G320 Exhaust System

And my 460 300GD.



(460muffler1.jpg)



(460muffler2.jpg)



(460muffler4.jpg)



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Attachments 460muffler1.jpg (56KB - 0 downloads)
Attachments 460muffler2.jpg (58KB - 0 downloads)
Attachments 460muffler4.jpg (108KB - 0 downloads)
#241020 - in reply to #241008
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Posted 9/27/2019 9:23 AM
paulunm
Regular


Date registered: Jan 2015
Location: Los Angeles
Vehicle(s): 2000 G500
Posts: 87
50
Re: Replace G320 Exhaust System

Luky - 9/26/2019 5:53 AM

This German company also offers the catalyst for the 463.231

http://www.kat-versand.de/Kat_defekt/kat_defekt.html

The 2x2 catalyst itself without the pipes should be also available from Bosal (I have one on my 300GE reads MADE IN USA), pt. nr. 99-883 or from Magnaflow pt. nr. 94008.


Luky- have you (or anyone here) used kat-versand? I'm in the same boat but with a Europa G500, in need of new cats.

Kat-versand will build a new cat, but they need the original cat to be sent to them in Germany.

I'm not aware of a Magnaflow part for the Pre MBUSA G500.

Edited by paulunm 9/27/2019 9:24 AM
#241021 - in reply to #241014
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Author
Posted 9/27/2019 9:32 AM
Inkblotz
Expert




Date registered: Apr 2006
Location: Georgia
Vehicle(s): 90 300GD "Thundering Turtle II", w/ 603A turbo
Posts: 3083
2000
Re: Replace G320 Exhaust System

It just takes some measuring on your part to determine the appropriate size mufflers. CATS are pretty generic and are readily available. All this takes is finding/fitting the proper mufflers and CATS for the system and having the pipes formed/bent to put it all together. I think my entire system for my 463 cost me around $850. If you are however an exhaust purist then MB is the "expensive" way to go.

Edited by Inkblotz 9/28/2019 7:22 AM
#241022 - in reply to #241008
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Author
Posted 9/27/2019 12:18 PM
Braingears
Expert




Date registered: Apr 2006
Location: St Petersburg, FL
Vehicle(s): G320 & ML320
Posts: 1404
1000
RE: Replace G320 Exhaust System

I will likely go aftermarket. If I can get stainless for a reasonable price, I will opt for stainless. 

 

#241023 - in reply to #241008
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Author
Posted 9/28/2019 3:02 AM
Luky
Elite Veteran


Date registered: Apr 2006
Location: Bratislava, Slovakia, EU
Vehicle(s): 300GE LWB auto, E320CDI 4M, VW Polo Classic 1.6
Posts: 1058
1000
Re: Replace G320 Exhaust System

paulunm - 9/27/2019 3:23 PM

Luky - 9/26/2019 5:53 AM

This German company also offers the catalyst for the 463.231

http://www.kat-versand.de/Kat_defekt/kat_defekt.html

The 2x2 catalyst itself without the pipes should be also available from Bosal (I have one on my 300GE reads MADE IN USA), pt. nr. 99-883 or from Magnaflow pt. nr. 94008.


Luky- have you (or anyone here) used kat-versand? I'm in the same boat but with a Europa G500, in need of new cats.

Kat-versand will build a new cat, but they need the original cat to be sent to them in Germany.

I'm not aware of a Magnaflow part for the Pre MBUSA G500.


Sorry no personal experience with them...
#241028 - in reply to #241021
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Posted 9/28/2019 11:51 AM
fernweh



Date registered: Apr 2006
Location: Calabasas, CA - Centenario, BCS - Luebeck, Germany
Vehicle(s): Few Mercedes-Benz, a Toyota Amphibious and a Vespa
2000
RE: Replace G320 Exhaust System

Inkblotz - 9/27/2019 4:01 AM

I replaced my entire exhaust system on my 463 300Gd using Magnaflo. I set it up just like the factory. Muffler on passenger side then pipe goes over rear axel to mate to second muffler and exit just in front of drivers side rear tire. Has been fantastic. With yours most muffler shops have aftermarket CATS. Place the cat just before the Magnaflo. I did this on my current 84 300GD that I am restoring as well.


Mark, you did not install a muffler over the rear axle, correct?

I remember on my 91 300GE, I replaced that muffler with the simple pipe from that 300GD.

Your new exhaust system looks very professional and neat.
#241031 - in reply to #241019
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Posted 9/28/2019 12:16 PM
DUTCH
Administrator Doppelgänger




Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2000 G500 NMLE,2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9819
5000
RE: Replace G320 Exhaust System

fernweh - 9/28/2019 11:51 AM

Mark, you did not install a muffler over the rear axle, correct?

I remember on my 91 300GE, I replaced that muffler with the simple pipe from that 300GD.


I did something similar on my 2000 G500, but it was over the drive shaft.
#241032 - in reply to #241031
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Posted 9/28/2019 12:55 PM
Braingears
Expert




Date registered: Apr 2006
Location: St Petersburg, FL
Vehicle(s): G320 & ML320
Posts: 1404
1000
RE: Replace G320 Exhaust System

I reached out to TimeValve yesterday. Everything is stainless, and fortunately they are not that far away from me.
I noticed from EPC that the G320 / G36 came both with and without catalytic converters. How many of you don't have or have removed the cat from your G-Wagon?

Since I've upgraded with the AMG 3.6L AMG engine, should I make any pipe diameter changes?

If you've removed the cat, did you have to make any other changes due to the dual O2 sensor?

#241033 - in reply to #241008
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Posted 9/28/2019 1:20 PM
Inkblotz
Expert




Date registered: Apr 2006
Location: Georgia
Vehicle(s): 90 300GD "Thundering Turtle II", w/ 603A turbo
Posts: 3083
2000
RE: Replace G320 Exhaust System

fernweh - 9/28/2019 11:51 AM

Inkblotz - 9/27/2019 4:01 AM

I replaced my entire exhaust system on my 463 300Gd using Magnaflo. I set it up just like the factory. Muffler on passenger side then pipe goes over rear axel to mate to second muffler and exit just in front of drivers side rear tire. Has been fantastic. With yours most muffler shops have aftermarket CATS. Place the cat just before the Magnaflo. I did this on my current 84 300GD that I am restoring as well.


Mark, you did not install a muffler over the rear axle, correct?

I remember on my 91 300GE, I replaced that muffler with the simple pipe from that 300GD.

Your new exhaust system looks very professional and neat.

Karl that’s correct. Just a pipe over the axel. Some G’s had one or the other.
#241034 - in reply to #241031
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Posted 9/28/2019 11:00 PM
otiswesty
Expert




Date registered: Jun 2007
Location: Portland, Oregon
Vehicle(s): G500
Posts: 2717
2000
Re: Replace G320 Exhaust System

That's great that Timevalve is still making these. I think the G320/G36 m104 like you have is just a single down pipe as opposed to 2 pipes for the V8 and maybe the m112 V6 as well. I got a set of NOS MB mufflers from Russia a few years back for about $650. My cat is still holding up okay, but won't last forever.

Edited by otiswesty 9/28/2019 11:33 PM
#241038 - in reply to #241020
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Posted 9/29/2019 10:06 AM
paulunm
Regular


Date registered: Jan 2015
Location: Los Angeles
Vehicle(s): 2000 G500
Posts: 87
50
RE: Replace G320 Exhaust System

Braingears - 9/28/2019 9:55 AM

I reached out to TimeValve yesterday. Everything is stainless, and fortunately they are not that far away from me.
I noticed from EPC that the G320 / G36 came both with and without catalytic converters. How many of you don't have or have removed the cat from your G-Wagon?

Since I've upgraded with the AMG 3.6L AMG engine, should I make any pipe diameter changes?

If you've removed the cat, did you have to make any other changes due to the dual O2 sensor?



Would you mind sharing pics once you purchase from Timevalve? They tell me they don't make a system for the pre MBUSA G500, but I've been under the impression at least the cat back system is the same for the 320 and 500.
#241042 - in reply to #241033
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