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1987 420SEL
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Discussion Starter #1
I have removed the engine from my car today, after a very long and difficult struggle, but really can't see putting the stock exhaust manifolds back on if I'm putting this much work into the car.

I have the right and left exhaust manifolds and don't want or need them. I have no idea what they're worth (if anyone could offer insight, it would be very appreciated) but make an offer and I'll wire brush them, oil stone the mating surfaces and spray bomb them with BBQ paint.

I do not have the rear cross pipe as it was obliterated with a Sawzall. (An excellent way to avoid messing with rusty bolts, I might add)

...I'd imagine shipping would be worth more than the pieces.
 

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CH4S Admin , Outstanding Contributor
1985 500SEC, 1991 190E 2.6.
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The separate Euro logs going into a down pipe each can be found in wrecking yards.
The 500,s (117) Euro logs won't fit your car, but the (116) 380 logs might.
I have come across Euro logs on 500's more often than on 380's though.
Cheers
 

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1982 300CD|1998 GMC Sierra 2500 6.5 Turbo Diesel|2008 Chevy Cobalt 2.2L DD
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Yeah, that's the truth, those euro 380 manifolds are hard to come by but there is a huge difference.
 

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CH4S Admin , Outstanding Contributor
1985 500SEC, 1991 190E 2.6.
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Yeah, that's the truth, those euro 380 manifolds are hard to come by but there is a huge difference.
There are not too many 500 dual logs either, but the 380's seem to be even rarer.
A 380 Euro has been sitting in one of the yards here for the last 4 weeks.
Cheers
 

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1987 420SEL
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Discussion Starter #5 (Edited)
I was toying with the idea of putting stock euro logs on the car, if I could ever find some that may fit. I'll try to see if I can track down some manifolds from wreckers here.

I was very prepared to machine a complete set of high-volume headers from stainless steel, and, as I've cut out the remaining exhaust system, putting in a complete 2.5"/3" system from front to back. Maybe make some heat shields engraved with the star while I'm at it.
 

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1982 300CD|1998 GMC Sierra 2500 6.5 Turbo Diesel|2008 Chevy Cobalt 2.2L DD
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There are not too many 500 dual logs either, but the 380's seem to be even rarer.
A 380 Euro has been sitting in one of the yards here for the last 4 weeks.
Cheers
Really? My 500 has them..

Well, if you are willing to put the money into the car and you already have the M116 out of the car maybe a M117 could be in your future? I'm not sure how hard of a swap it would be, but I know it's not too hard from a 380. Maybe you would need a Gen II 500 engine. Any thoughs guys?

And if you already got rid of the flex pipe ( I assume that's what you mean by rear pipe) why don't you just fab down pipes for them?
 

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CH4S Admin , Outstanding Contributor
1985 500SEC, 1991 190E 2.6.
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When we put the Euro logs on the SEC, we were pleasantly surprised to find right side heat shields installed on the under side of the car.
I thought perhaps MB installed them on all cars, irrespective of whether they would get our BS (behind engine cross pipe with only one left side down pipe) U.S system, or not?
Cheers
 

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CH4S Admin , Outstanding Contributor
1985 500SEC, 1991 190E 2.6.
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Really? My 500 has them..

Well, if you are willing to put the money into the car and you already have the M116 out of the car maybe a M117 could be in your future? I'm not sure how hard of a swap it would be, but I know it's not too hard from a 380. Maybe you would need a Gen II 500 engine. Any thoughs guys?

And if you already got rid of the flex pipe ( I assume that's what you mean by rear pipe) why don't you just fab down pipes for them?

The Gen I 117 engine 500 drops right in. We installed the Gen II 560 into my Gen I 500 SEC, and a few mods were required, swap fly wheel ring gear / starter bendix (Gen II has a different number of teeth) and so forth ('good news for me' thread).
Cheers
 

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1982 300CD|1998 GMC Sierra 2500 6.5 Turbo Diesel|2008 Chevy Cobalt 2.2L DD
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Then I would go that way, I am. It's work but I think the results will be worth it in the end.
 

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CH4S Admin , Outstanding Contributor
1985 500SEC, 1991 190E 2.6.
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Then I would go that way, I am. It's work but I think the results will be worth it in the end.
You may have to use the Gen I intake manifold with sensors on the 560 engine.
Gen I's parts: fuel distributor drops in, the ignition distributor fits into the snail gear, keep ignition control and idle control plus Gen I idle valve, the different Gen I water pump with thermostat bolts right on.
Probably forgot a few things.
Cheers
 

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1982 300CD|1998 GMC Sierra 2500 6.5 Turbo Diesel|2008 Chevy Cobalt 2.2L DD
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Eh, no 560 engine for me, 500 euro will do, it's easier to find a euro 500 than a euro 560 anyway.
 

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1987 420SEL
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Discussion Starter #12
I was planning on dual down pipes, as I really want to never see any type of cross pipe ever again. Just getting it off to access the transmission bolts was a nightmare.

I also noticed that there are indents in the floor pan on the driver's side for heat shields, I'm definitly going to try and find some one a 560 or 500 to put under there in preparation for the new exhaust.

I sort of like the M116 engine, unless there's any way to make a M117 insanely fuel efficient. Anyone super charge an M116?

Give me some crazy ideas. The engine's already out.
 

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1990 SEC
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I also noticed that there are indents in the floor pan on the driver's side for heat shields, I'm definitly going to try and find some one a 560 or 500 to put under there in preparation for the new exhaust.
You won't find any driver's side exhaust heat shields on US cars. :(

I'm very surprised that Teutone found them on his car, but then his car has some oddities (trunk lock, etc.).

You should probably limit your dual exhaust to 2.25". You'll pay a heavy penalty in low-end torque with a 2.5" or 3" dual exhaust.

Forced induction has been done on these engines, but you quickly run into numerous issues with the fuel intake and supply.
 
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