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1985 Mercedes-Benz 190D 2.2 (717.411 5-speed)
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503 Posts
Discussion Starter #1
Need a new exhaust pipe for my 1983 300D (Euro N/A), hoping to snag a replacement at Pick-N-Pull this weekend. I need to know the removal/installation procedure and any general information that might be important (e.g. is the exhaust system the same across W123 models, or is it different in gas vs. diesel, turbo vs. non-turbo, Euro vs. North America, etc.).
 

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83 500SEC, 84 300TD, 86 190E 5.0 M113, 87 300D, 01 CLK55, 02 C32, 02 C320T, 03 C320T4, 03 E55
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2,600 Posts
The only chance you might have of finding a pipe for your car in a yard is a 1981 and earlier 300D/CD (the non turbo models). Gas and diesel are different. turbo and non turbo are different. cant say for the euro's, mine is a turbo.
 

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1985 Mercedes-Benz 190D 2.2 (717.411 5-speed)
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503 Posts
Discussion Starter #3
Thanks for the info. Car has an aftermarket turbo (apparently from a Toyota Supra) so I will probably have to snag a real Mercedes turbo and exhaust, unless the underbody is somehow different.
 

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1985 Mercedes-Benz 190D 2.2 (717.411 5-speed)
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503 Posts
Discussion Starter #4
Ditched and sold the Toyota turbo, planning to put in a turbo engine from a 1985 300TD very soon. Will the wagon pipe work or am I better off having somebody modify the non-turbo pipe I snagged last weekend?
 

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1980 240D OM617.952 "Lindsay" | 1994 E320 "Lauren" | 2010 Mazda Axela "Grace"
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541 Posts
I know there are two bolts with nuts holding a flange that holds the exhaust together at the manifold/pipe part. Might need significant force to un-do though.

Also, there should be an exhaust hanger that is connected to the transmission that holds the exhaust to the car. There might also be something near the rear, but I am not sure of that.
 

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1982 240D, 1984 Euro 300TD
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289 Posts
Just replaced the exhaust headpipe on my '82 240D last week. The new pipe was labeled to fit 200D, 240D 300D and TD. Non-turbo models though.
Pipe was $26, plus shipping, from CarQuest. No clue on what an aftermarket 300D turbo setup would require.

Happy Motoring, Mark
 

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1985 Mercedes-Benz 190D 2.2 (717.411 5-speed)
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503 Posts
Discussion Starter #7
Is there any reason NOT to use the non-turbo exhaust manifold and pipe, when I finally swap the turbo engine in? There's still a dilemma, which is that I live 3 hours away from the Windsor Pick-N-Pull and have no way of transporting it. The manager wants to throw it out and I should probably just get a 300DT pipe anyway, so if anyone is interested in buying, I can text my buddy who works there and let him know who's picking it up. It's in really good shape, no visible rust or any kind of damage. I'm only asking $40.
 

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2013 MINI Copper S Clubman, '84 300CD-weekend car
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10,152 Posts
The turbo down pipe has an accordion section, the non turbos don't. I'm going to assume there is a reason.
 

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If you run a downpipe without a flex section on a turbo motor, you increase the chance of cracking mounts and or the turbocharger. These things already destroy the downpipe to trans mount as is with the flex section, don't tempt fate. Also the turbo has the largest exhaust size of all the w123's as it needs to expel more air.
 
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