SLK55 (R171) 2004 - 2010: SLK200K, SLK280, SLK350, SLK55, SLK55 Black Series

SLK63 coming next year

Old Jun 22, 2007 | 12:18 PM
  #1  
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SLK63 coming next year

Well, looks like we have confirmation of the SLK63 and it's coming next year. No word on power, but at least it's existence isn't a rumor anymore. This would be the fist mention of it on any documentation from Mercedes.

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Old Jun 22, 2007 | 12:58 PM
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'07 SLK55
Ooooh...can't wait!
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Old Jun 22, 2007 | 01:32 PM
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nope

Thats from a long time ago actually and has been posted before on a forum. Don't remember if it was this one.

After that was released ... AMG was repeated questioned if the 6.3 would come to the SLK. They have said no repeatedly.

Of course if it does ... awesome!
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Old Jun 22, 2007 | 02:20 PM
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Originally Posted by SLK55R
Thats from a long time ago actually and has been posted before on a forum. Don't remember if it was this one.

After that was released ... AMG was repeated questioned if the 6.3 would come to the SLK. They have said no repeatedly.

Of course if it does ... awesome!
You just had to go and rain on my parade....
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Old Jun 22, 2007 | 02:56 PM
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I am sad also, but to get close to the rumoured 420-450hp on the 6.2litre engine I guess 55 owners need Valve Springs, cam's, headers and an ecu update.

or you can go for the 6.1 S Brabus upgrade for 445hp/
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Old Jun 22, 2007 | 09:36 PM
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or kleemann supercharger for ~500-540hp
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Old Jun 23, 2007 | 01:41 AM
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that was posted on the AMG owners forum a long long time ago, and was confirmed as bogus
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Old Jul 10, 2007 | 06:21 AM
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Now that we have the hp numbers for the C63 AMG I'm betting that we'll see a SLK63 with the same 457hp or 450hp for the U.S. market SAE conversion.

M
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Old Jul 10, 2007 | 10:08 AM
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I say 63 for the R172, this topic was debated before no space for the 6.2l V8.
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Old Jul 10, 2007 | 11:01 AM
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any spy shots of the r172?
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Old Jul 10, 2007 | 11:20 AM
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Originally Posted by alroumi
I say 63 for the R172, this topic was debated before no space for the 6.2l V8.
I do not think that is entirely correct. The SLK and C (203) shared front ends with the current CLK, where the 6.3 was fitted with no problem. I believe the SLK will soon be endowed with the 6.2L V8, and get a black-series like styling makeover.
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Old Jul 10, 2007 | 03:38 PM
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Originally Posted by Ferri
I do not think that is entirely correct. The SLK and C (203) shared front ends with the current CLK, where the 6.3 was fitted with no problem. I believe the SLK will soon be endowed with the 6.2L V8, and get a black-series like styling makeover.
Thank you for enlighting me, well we will see.
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Old Jul 10, 2007 | 03:54 PM
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Originally Posted by Ferri
I do not think that is entirely correct. The SLK and C (203) shared front ends with the current CLK, where the 6.3 was fitted with no problem. I believe the SLK will soon be endowed with the 6.2L V8, and get a black-series like styling makeover.
You are right on the money.

And for those who wants a little more power from the M113/M156, please contact EuroElites as EuroElites has now the capability of custom tuning (in house)

Cheers,

Adam

Last edited by AdamG@NorCal; Jul 10, 2007 at 04:00 PM.
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Old Jul 10, 2007 | 05:35 PM
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Originally Posted by Acez
or kleemann supercharger for ~500-540hp
True!
My car delivers at the moment, 513 Hp and 700 Nm, and in August I will add Camshafts and ofcourse their Exhaustsystem -
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Old Jul 10, 2007 | 11:01 PM
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The sad part is that C63 and SLK63 cost roughly the same, while C63 has 120hp more. Tell me if I'm crazy, but that does not sound fair to me

And with the new M3 coming out with 410hp, SLK55 needs to have 450hp minimum.

Originally Posted by SLK 55 Kleemann
True!
My car delivers at the moment, 513 Hp and 700 Nm, and in August I will add Camshafts and ofcourse their Exhaustsystem -
Do you have a dyno by any chance? How much hp at the wheels?
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Old Jul 11, 2007 | 12:14 AM
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heh

The SLK does NOT need 450 hp. Look at the weight differential with the C63. The reality is that at anything over 400hp at the wheel the biggest problem is traction already.

If the SLK does come with around 400hp RWHP stock they better make a serious changes to allow greater traction.
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Old Jul 11, 2007 | 12:50 AM
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Don't worry, we can always beef her up to 450 hp , no problem....
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Old Jul 11, 2007 | 12:52 AM
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Originally Posted by SLK55R
The SLK does NOT need 450 hp. Look at the weight differential with the C63. The reality is that at anything over 400hp at the wheel the biggest problem is traction already.

If the SLK does come with around 400hp RWHP stock they better make a serious changes to allow greater traction.
if the SLK gets the 6.3 liter engine i'm sure MB would HAVE TO fit atleast 305+ rear tires for the traction.
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Old Jul 11, 2007 | 01:19 AM
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Originally Posted by SLK55R
The SLK does NOT need 450 hp. Look at the weight differential with the C63. The reality is that at anything over 400hp at the wheel the biggest problem is traction already.

If the SLK does come with around 400hp RWHP stock they better make a serious changes to allow greater traction.
Oh please... if C and CLK classes can handle it no problem, so can the SLK. The reality is that SLK is the only Mercedes AMG sports car not to recieve this upgraded engine... if C and CLK are getting it, so should the SLK. SLK is not getting any love from AMG


AdamG, its true you can upgrade it no problem... i just think that for $63,000 MSRP, it should have the 6.2L engine just like C63. Why should it get a lesser engine? That 5.5L V8 is like a decade old, c'mon...


P.S. I'm kinda tired of hearing the "6.2L engine was not meant for the SLK, it doesn't fit.. bla bla bla" R171 is an 2005 model, Mercedes should've thought about making the 6.2L engine fit during its development. Keep in mind that C and CLK bodies are much older, so there really isnt any excuse to be made here...

Last edited by Tuskir; Jul 11, 2007 at 01:26 AM.
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Old Jul 11, 2007 | 01:21 AM
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Originally Posted by mbSLRwannabe
if the SLK gets the 6.3 liter engine i'm sure MB would HAVE TO fit atleast 305+ rear tires for the traction.
No they dont. CLK63 and C63 both have 255 rear tire. 265 would be more than adequate for the SLK63... which fits in the back no problem.
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Old Jul 11, 2007 | 01:26 AM
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Originally Posted by Tuskir
No they dont. CLK63 and C63 both have 255 rear tire. 265 would be more than adequate for the SLK63... which fits in the back no problem.
That's true, but they also weigh 3800-4000 lbs. The SLK is much much lighter.
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Old Jul 11, 2007 | 01:37 AM
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Originally Posted by bfnnrgn
That's true, but they also weigh 3800-4000 lbs. The SLK is much much lighter.
300-400lbs lighter than CLK63 coupe is not a huge difference in weight really... with that 6.2L engine in place, the difference in weight would probably be even smaller.
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Old Jul 11, 2007 | 05:04 AM
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Originally Posted by Tuskir
300-400lbs lighter than CLK63 coupe is not a huge difference in weight really... with that 6.2L engine in place, the difference in weight would probably be even smaller.
I disagree, 300-400lb's is quite a lot of weight (10-15% lighter is a big deal in a car), and the 63 engine is lighter then the current 55.
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Old Jul 11, 2007 | 06:23 AM
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Originally Posted by Tuskir
300-400lbs lighter than CLK63 coupe is not a huge difference in weight really... with that 6.2L engine in place, the difference in weight would probably be even smaller.
LOL! Ok you try bench pressing 300 to 400lbs and you tell me how light you feel it is. That's a BIG difference in weight especially ifthe cars are using the same motor and have the same HP more or less.
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Old Jul 11, 2007 | 08:21 AM
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Originally Posted by Tuskir
The sad part is that C63 and SLK63 cost roughly the same, while C63 has 120hp more. Tell me if I'm crazy, but that does not sound fair to me

And with the new M3 coming out with 410hp, SLK55 needs to have 450hp minimum.



Do you have a dyno by any chance? How much hp at the wheels?
No its measured by Kleemann and its not at the wheels:
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