Redw20855amg

http://www.ebay.com/itm/Mercedes-Ben...e#ht_960wt_981

anyone know anything about these?

NismoPower

i purchased those for my 208, i havent got it to the dyno. the main problem i noticed was the
collector was kinda small. For 208's there's really no other option.
Kleemann stopped making headers, which aren't even true long tubes.
the gearbox in the 208 is a killer for headers.

400HP55

i talked to the guy because I was curious as well. Heres the dimensions he gave me.

"The inside diameter on engine side is 40mm 42mm to the exhaust port."

Can anyone que in and let us know if these are the same size and OEM. Thanks!

NismoPower

the primary pipes are a little bigger, but the collector is the same size as the stock manifold.

400HP55

I e mailed him to see if he can make them wider or leave the ends open so I can run 2 1/4" 300 cell cats.

400HP55

Here's something I read.

https://mbworld.org/forums/w211-amg/...ders-must.html

It's the same principle for us. So I'm working on something like this.

https://mbworld.org/forums/engine-pe...manifolds.html

We only have like 2 choices for Decent headers and there over $1500.

503C43 ////AMG

Are you guys sure Kleemann stopped making headers for the W208? I just bought some for my C43 a couple months ago, even if they weren't made for the W208 couldn't you alter the ones for the C43? The W208 is based off of the W202 chasis...

Kleemann headers are short length headers while the ones linked by the OP are log style. The Kleemann headers (or similar type) will make more power than the ones linked by the OP.

400HP55

C43? I've never heard of those fitting. I think klee still makes them. $1500. But if c43 will work...

NismoPower

Im well aware the 208 is based off a 202

I pm cory at kleemann and he told that he doesn't have any and there not making any more. So not to sure whats going on. maybe a kleemann dealer has some somewhere.

503C43 ////AMG

Well seeing how the C43 has an M113, albeit the 4.2L version, the headers would still fit the 5.4L M113 that is in the 55 cars (CLK, E, etc...) I would imagine there would need to be some modifications made to snake them through the engine bay and what not but I am positive you could modify them in less than a day.

I know they have some C43 headers for sale right now that were made incorrectly and need to be modified, Cory is selling these at a discount. I bought them for $600 and had them modified for $400. The headers brand new were $1200 so I saved a couple hundred dollars by doing this.

Just an idea if you are unable to get headers for the W208 from Kleemann.

tri-star tech

Do you have the contact info to get the incorrectly made headers?

503C43 ////AMG

PM Cory@Kleemann, he is a sponsor here

wrightbenz

I talked to Cory about the flawed headers and he has some left. Do you have any pics of the repair or can you give me an idea what was wrong with them?

400HP55

I have been speaking with someone who is working with me on our header situation. They want to know the demisions we need. I am thinking along the lines of the exhaust ports to be 1.55" and then I need to know what size of tubing we want and the size of the outlet that connects to our cats.

Feed back Please!

Das Geld 2

Why not long tube?

Shorty headers are a waste of $

400HP55

I live in CA so I'm limited on choices; however, they may be able to produce long tube headers for those who want them.

tri-star tech

He told me they are so far off that they aren't for sale

slowsky

let us know your outcome 400hp55

njgilligan

I have these on my car right now, but I did not do a before/after dyno. Although I agree that flow restriction cannot be determined by looking at a flow path, I think I've performed enough CFD simulations, and designed enough aerodynamic surfaces through my career to confidently claim these should be capable of flowing a higher rate than the stock manifolds (I would expect to see more laminar flow and less turbulence through the corners). If nothing else, they're a couple pounds lighter, and look awesome after they've been heat cycled a few times.

O yeah, when I bought mine, there were some burs on the inside near some of the welds that hadn't been cleaned properly. A few minutes with a grinder cleaned that up, but take a look before installing yours to be sure there aren't any unnecessary flow obstructions. I posted a diy in the w208 sticky if you need help with the install...

400HP55

Well he said they can't. So were back to square one. I'm considering buying a welding kit and trying to do this myself. I can get header kits for 350 that come with all the bends we need. B ut if you look at my top post where Sahr did it, I think they gained about 20HP off doing it with the OEM headers;however, I think most of the horse power came from those high flow cats they put on them.

I am gonna start R&D on making some bad @$$ headers for us. I have most of the stuff. And I have access to a dyno. And I have our engine on a engine stand plus the heads. So it would make sense for me to give it a try. I'll start with shorty and work onto long tube.

njgilligan, how tight were the bolts on your studs when you took off your headers? How long did the whole process take?

Redw20855amg

If your serious and i mean SERIOUS PM me your email I have a DIY made a few tears back for another vehicle put steps pertain the same Step by step for header making (quality ***** hand built renntech brabus grade A+) anyways you will need a TIG Welder they do not come cheap!

400HP55

I have the engine on a engine stand. I have the heads as well so I could easily fab them. All I have to do is take the measurements in the engine bay and fab them off the block. Plus I can drop my OE headers and make sure they fit. But before all that I can go pull a Dyno and then slap them on and then do another dyno and report back to this thread. I got a guy that knows how to flow test them as well. All I need to do is find someone to get the primary flanges off of.

As far as the tig welder, I'm sure I could find one for around $500.

PM Sent

I was also thinking while I'm at it I will fab the headers to accept the high flow 300 cell metal sub cats. Oh it will work. Plus delete/high flow secondaries (depending on the state they live in). With all that I would expect at LEAST 30WHP. That should bump us to about 340WHP/ 390HP to the flywheel.

The hard part about the primary cats is welding them while there in; however, I'm sure making some kind of design to avoid having to weld them while there in would work....

DRBC43AMG

Interesting thread and subscribed. Now, I'm wondering if you manage to build some nice headers with proven power increase for the w208 at a decent price, I would be interested and probably several other people with w202 c43's too.

njgilligan

They were on there pretty tight. Some penetrating spray worked for most of them, but I ended up needing a nut splitter to get the last two. It would have taken me only half a day, but it ended up taking two weekends; I didn't have the nut splitter at first, so I had to put everything back on one side after realizing I couldn't get it out, then finish up after I had the right tool.

Definitely a bit of a pia, but manageable. The steering box really limits clearance on the left side. Moving the brake and washer fluid reservoirs for more room is helpful.

njgilligan

They were on there pretty tight. Some penetrating spray worked for most of them, but I ended up needing a nut splitter to get the last two. It would have taken me only half a day, but it ended up taking two weekends; I didn't have the nut splitter at first, so I had to put everything back on one side after realizing I couldn't get it out, then finish up after I had the right tool.

Definitely a bit of a pia, but not that bad. The steering box really limits clearance on the left side. Moving the brake and washer fluid reservoirs for more room is helpful.