Will there by an SLK 63? C63 is coming, so why not?
The 475 HP version of the 6.3 V-8 in the CLK 63 cabriolet would be devastating in the SLK.
Logically, there's no reason to not put it in there, expecially since bmw will probably put the new V-8 from the upcoming M3 into their M3 hardtop convertible soon after the coupe is released.
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The engine itself is actually lighter and more compact then the 55.
But even the 55 can be boosted to 600hp on the standard pumps, so maybe if they made a 400-450hp version of the 63, a single pump would be enough?
Who knows... I'd love to see it, I'd love to drive it, but I'm not gonna hold my breath.
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Shave 200lb's and man, this thing would fly. I already feel a difference if I have a 140lb passenger and a full tank of gas versus just myself and a nearly empty tank of gas. The car is just so much more responsible.
But a larger engine does bring its own bragging rights
The Best of Mercedes & AMG
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Quite a few people have made this comment as few cars make that "Mercedes thump" when you close the doors and the like.
But then again, the Z4 is also several hundred pounds lighter. So do you want to forego a bit of solidity to having better speed, handling, braking...
Most would say yes, but it's an MB and so the badge dictates that solidity of feel and comfort must be considered important.




The 475 HP version of the 6.3 V-8 in the CLK 63 cabriolet would be devastating in the SLK.
Logically, there's no reason to not put it in there, expecially since bmw will probably put the new V-8 from the upcoming M3 into their M3 hardtop convertible soon after the coupe is released.




I think the power and torque is quite plentiful, the SLK is a fast car and my idea of shedding weight is not to just make the car faster. The torque already ensures it can move the +1.5 tons of mass. What it would help to lower weight, is to make the car stop much sooner, lessen the understeer in tight/fast corners and overall improve slalom speeds. The SLK is quite well done, because even with its 200-500lb more weight versus the competition (Miata, S2000, Z4, etc...), it is only a few tenths of a second behind on some slalom or autox type try-outs. With that weight off its shoulder, it would become a completely different car!
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You say it's cheaper to go Kleemann. Well, I disagree. The CLK 63 is only 10k swiss francs more expensive then the old 55. A Kleemann supercharger with installation (for 500hp) would cost about 30k swiss francs.
Secondly, you'd lose your warranty, and as with anything after market bolted on devices, you never know 100% if it's going to run flawlessly...
Thirdly, naturally aspirated, and in this case high revving engines, hold a special place in some peoples hearts. The 6.2 liter engine is quite rev happy, nice liner torque distribution and going past 7000rpm (the E class I drove went to 7400rpm before the revlimiter hit in) is quite fun. One reason why Ferrari's still not using turbos or superchargers in their modern cars. A supercharger will produce a nice effect, but is this what 'everyone' wants? Not to mention more moving parts and more complexity... The 6.2 liter engine is lighter (by over 50lb!) and simpler then a 5.5 liter with a supercharger.
Finally, having that 63 badge in place of a 55, well, some people find that badge very important.
Just a few opinions of mine, but cost may be different in your location, reliability may not be an issue, and the extra torque might be more valued by you as an individual
You say it's cheaper to go Kleemann. Well, I disagree. The CLK 63 is only 10k swiss francs more expensive then the old 55. A Kleemann supercharger with installation (for 500hp) would cost about 30k swiss francs.
Secondly, you'd lose your warranty, and as with anything after market bolted on devices, you never know 100% if it's going to run flawlessly...
Thirdly, naturally aspirated, and in this case high revving engines, hold a special place in some peoples hearts. The 6.2 liter engine is quite rev happy, nice liner torque distribution and going past 7000rpm (the E class I drove went to 7400rpm before the revlimiter hit in) is quite fun. One reason why Ferrari's still not using turbos or superchargers in their modern cars. A supercharger will produce a nice effect, but is this what 'everyone' wants? Not to mention more moving parts and more complexity... The 6.2 liter engine is lighter (by over 50lb!) and simpler then a 5.5 liter with a supercharger.
Finally, having that 63 badge in place of a 55, well, some people find that badge very important.
Just a few opinions of mine, but cost may be different in your location, reliability may not be an issue, and the extra torque might be more valued by you as an individual
). Kleemann warranties all parts & service for 1 year or 12,000 miles. And, the MB dealer I consort with will fix any non Kleemann item wrong with the car (the original warranty is not voided). This may depend on your Dealer, but I think most dealers still want your money from routine service intervals & most know Kleemann makes high quality products (unless you are a punk azz annoying kid that does burn outs in fron of the Dealership
).Reliability? The basic powerplant has been running for years in AMG cars (blown 5.5L) & I have not heard of any issues.
My car has had zero issues - runs like a champ. I speak with Cory & Brandon @ Kleemann on occasion & they have never verbalized (when asked) about blown engines/rel issues with the N/A 5.5L with the Kleemann blower. I dunno - seems to work just fine (or they would not sell the stuff - it's just not financially viable to stay in business when you are getting constant claims against your firm....ask John Lingenfelter).-Matt
That's still quite a bit of cash. I remember asking people on the forums how much they paid for the blower in the US, and it was like $14k without the work. As it's a day or two worth of work to install, the total installation cost is almost $20k, no?
But anyway, the cost of the actual parts are much higher in Europe, sadly enough...
But if the cost of a CLK63 is just 10k (swiss francs, i.e. $8k) over the older 55, then would this be the same for the SLK, and if so, then wouldn't it be smarter to get an 'original' MB?
To each their own, of course...
And you're right, the 55 in the SLK is the same as the 55 in an SL, albeit the SL has an SC on it. No reliability issues on the SL, and most likely none on the SLK with Kleemann's kit.
As far as warranty, well... I guess it depends on the dealer. Some can be shady and will speak you down if they even think that you've modded your car. My dealer is an official Brabus reseller, so they do warranty Brabus stuff, but not Kleemann I would think. I haven't bothered asking, and besides, I'd need to pay another $12k to legalize my engine conversion for Swiss roads (long story).
Oh well...
Last edited by Shinigami; May 22, 2007 at 03:48 AM.
That's still quite a bit of cash. I remember asking people on the forums how much they paid for the blower in the US, and it was like $14k without the work. As it's a day or two worth of work to install, the total installation cost is almost $20k, no?
Last edited by Tuskir; May 22, 2007 at 07:25 PM.


