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Registered 2010 SLK200
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10 Posts
Discussion Starter #1
Hey guys, what mod paths are there for the facelifted slk200 engine? (184hp)

I understand based on posts here that the SC pulley mod would not apply since it already comes with a 65mm pulley.

Are there any other performance mods out there readily available?
 

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Super Moderator UK SLK 55 AMG 2007
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26,130 Posts
There is the traditional ECU upgrade.
A device for faster acceleration.
Better flowed headers, racing cats, exhaust systems.

Not forgetting brake and suspension upgrades to control any extra power.

And a host of other goodies.

The real question is how deep your pockets are.
 

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Registered 2009 SLK200
Joined
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5,033 Posts
Hey guys, what mod paths are there for the facelifted slk200 engine? (184hp)

I understand based on posts here that the SC pulley mod would not apply since it already comes with a 65mm pulley.

Are there any other performance mods out there readily available?
1 ECU upgrade taking it to circa 205bhp
2 performance rear exhaust system
3 Manifold is available [ Kleemann ]
4 K&N Air Filter or other Brand
5 Injectors ?
 

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Super Moderator CA 2012 SLK55 AMG w/P30
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12,451 Posts
@Delucas Like Myk said--deep pockets required. Can you give her a (individual) ballpark cost on those before too much effort is expended?
 

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Registered 2009 SLK200
Joined
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5,033 Posts
@Delucas Like Myk said--deep pockets required. Can you give her a (individual) ballpark cost on those before too much effort is expended?
Ecu upgrade be the better gain as such circa £200-£450 depending on who you go with and before & after rolling road results .

K&N Air filter circa £45- £65
Kleemann Manifold Circa £695 plus vat
rear Exhaust system £450 - £900 Depending on Brand
 

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Super Moderator UK SLK 55 AMG 2007
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26,130 Posts
Probably, but not my field.

Try a site search.
Failing that do a web search.

Not many have done this, but there are some.
 

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Premium Member 2013 SLK350
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1,065 Posts
Thanks guys. I want to do the headers. Are there any Kleenman alternatives?
Maybe you should start by outlining your specific performance goal(s)... and your budget? Here on the SLK forum you will find answers to all of your performance needs... but it will cost plenty bcos you are among enablers, so be warned :)
 

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Registered 2010 SLK200
Joined
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10 Posts
Discussion Starter #12
I think I’d be happy with 220~230hp if this is what 184hp feels like now.

I’m thinking headers, a tune and k&n filter... I will be satisfied with wherever this put me.

Around $2000 should do that right?
 

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Premium Member 2013 SLK350
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1,065 Posts
That plan (headers, tune + k&n) and budget sounds pretty reasonable... to start... don't forget the axiom around here... modding is a disease...:sick: never ends... good luck with the project, and pls post progress reports here as well.
 

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Registered 2009 SLK200
Joined
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5,033 Posts
Thanks guys. I want to do the headers. Are there any Kleenman alternatives?
in my opinion it be pointless doing the Manifold as you will only achieve circa 15bhp at best
a Ecu mod will give you circa 21bhp plus ......
More performance plus additional better mpg return as a bonus .

Ecu and just to make it breath better a K&N Filter
then if you can after source a Manifold or get one fabricated will add circa 15bhp achieving give or take 220bhp .

take in to consideration the engine is good well maintained quality oil changes etc and low mileage will help .
 

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Premium Member 2004 SLK200 ; DAS/STAR Reg'd Owner
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281 Posts
Go with Kleemann K2 Kit:

The boost kit consists of ECU tune, a new, larger diameter, lightweight crank pulley a high flow air filter and high flow exhaust header with steel sport catalyst.

I'm a happy camper!
 

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Registered 2009 SLK200
Joined
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5,033 Posts
Go with Kleemann K2 Kit:

The boost kit consists of ECU tune, a new, larger diameter, lightweight crank pulley a high flow air filter and high flow exhaust header with steel sport catalyst.

I'm a happy camper!
op wont req the larger diameter / lightweight crank pulley as the facelift reduced size of supercharger pulley etc .

edit : meant crank pulley
 

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Premium Member 2005 SLK200K 'Little Growler'
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522 Posts
Not sure what the price of SLKs is where you are but here in the UK you could just sell yours and get the same year SLK 300 for the same money, that would give you 231hp for no cost.
 

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Registered 2009 SLK200
Joined
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5,033 Posts
Not sure what the price of SLKs is where you are but here in the UK you could just sell yours and get the same year SLK 300 for the same money, that would give you 231hp for no cost.
Remember cars in certain countries have to meet strict criteria engine size etc
so what used to be in the carribean as an example used to be ........
A few years back, the customs duty for imported used vehicles is listed below:
• 30% for vehicles with engine size of not more than 2000cc

so it paid to import the smallest engine size possible

hence why most cars are very small cc as the govts would not allow bigger .

hence why the op just wants to squeeze a little more power out of the SLK which is understandable .

I think in some Asia markets its the same requirements .

so buying bigger is not an option for many .

plus no harm in tweaking and squeezing a little more bhp from our beloved long ownership of our SLK. 👍👍
 
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