BenzWorld Senior Member
Date registered: Jul 2010
Vehicle: 2009 E63
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fwiw, when I said there's not much you can do with the NA, I meant there's not much the tuners can do, not the manufacturer. The SLS uses the 6.2 and AMG has pulled 563 hp and 480 ft lb torque out of it. So, yes, you're correct, there is a lot of potential in the 6.2.
As far as the CAFE regulations, Thomas Weber announced that Daimler simply doesn't want to pay another dime in fines. Perhaps they'll go to the extremes to do so, but since it is over the entire fleet, we'll still have the 6.2 in certain models. AMG has also produced an E Cell electric SLS as a prototype. And of course Porsche now has its GT3 R Hybrid (even RUF has designed an electric 997.) So, things will be trending in that direction, too.
The AMG Black Series was their 'answer' to weight reduction. And it looks like we'll have a C63 BS coming soon (with the 6.2.)
While I agree with the weight issue, one has to understand that AMG's agenda is much different than Porsche or Ferrari, etc.. The idea was (and still is) to build a performance car around an existing Mercedes chassis. And the Mercedes agenda has always been heavier cars with safety and comfort features as paramount. It has never been about much else. The Black Series is an attempt at something lighter and 'sportier,' but they are still based on an existing MB chassis and ideology.
The SLS is a departure since it is the first car to be designed by AMG from the ground up. But it's still about luxury and comfort. The product managers at AMG once told me that "departing from the Mercedes ideal of comfort, safety, technology, while combined with performance would make the car not be part of the AMG/Mercedes DNA."
I agree with you that AMG could easily make a lightweight, high performance "Ferrari." But it's not what they are about and they won't do it. Although they did build a limited edition lightweight SLS GT3 as a consumer track car.
But in respect to weight as part of the CAFE issue, Mercedes does make the A and B Class light weight cars. That also helps keep the 6.2 around in respect to total fleet production.
BMW is doing the same thing (DFI and FI motors.) The M5 will have the new twin turbo motor. Not sure about the M3; so far it still is being produced with the NA V8. I think that's a tricky one since they have to be sure to differentiate between the 335i and the M3 enough to warrant people buying the M3 (ie, if they put a FI into the M3.)