2011 Mercedes-Benz S63 AMG at Geneva

the 2011 S63 AMG will receive the company's all-new 5.5-liter bi-turbo V8 engine, as well as the SpeedShift MCT seven-speed gearbox already on offer in the E63 and SL63. Even though it's down on displacement compared to the outgoing 6.2-liter engine, the M 157 generates more power (544 horsepower in 'standard' mode, 571 with the optional performance package) and more torque (586 pound-feet or 660 lb-ft. with the optional performance pack). And despite the change in engine size, the big sedan's S63 moniker will remain. MB chairman of the board Volker Mornhinweg has also confirmed to Autoblog that the U.S. market will indeed receive start-stop technology despite the fact that its efficiency gains aren't really recognized by the EPA's fuel economy testing methodology. Even so, the user-defeatable fuel-saving measure ought to pay dividends in city traffic, which is important because cities like Los Angeles and New York are prominent AMG markets. Despite offering an embarrassment of performance, the S63 will also cut fuel consumption by an astonishing 25 percent, thanks in part to clever programming of its SpeedShift gearbox and a driver-selectable 'Controlled Efficiency' program, an eco-mode that, among other things, instructs the transmission to always start in second gear, shift up as quickly as possible, and remain in higher gears whenever possible. In addition, the Intelligent Generator Management System employed on the E63 is also used to funnel kinetic energy back into the battery, and there is a new generation of cylinder deactivation technology at work as well. All-in, the still-massive motor will turn in an impressive 23.5 miles-per U.S. gallon on the EU cycle and Morninweg pledges that the car will skirt U.S. gas guzzler taxes. The 'standard' S63 will run to a governed 155 mile-per-hour top end, while the performance package model has been let out to 186 mph. The new car is slated to go on sale in the second half of the year, and the 5.5-liter engine is expected to supplant the 6.2-liter in other AMG offerings over the next several years. We'll see the new engine tomorrow in person at the Geneva Motor Show, where it will reside in the engine bay of a special S63 showcar. The showcar (above) pays tribute to an early AMG-powered 300 SEL that won its class and finished second overall at the 1971 24-hour race in Spa-Francorchamps.

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2008 Mercedes-Benz S63 AMG
This car really doesn't make sense. The Mercedes-Benz S-Class is meant to be about luxury, refinement, isolation and relaxation. So why has this S63 AMG got a high-revving, 6.2-litre V8 engine with a supercar-baiting 525bhp under the bonnet? Most S-Class Mercedes' cosset you into a dreamy sleep if you relax in the back. This one will smoke its tyres like an old-school hotrod and demolish 100 mph from a standing start in barely 10 seconds. It makes no sense at all, does it? Actually - in so many ways - it does. For a start, take AMG's point of view. It's the performance subsidiary of Mercedes and, truth is, can barely make enough cars. Every time Mercedes launches a new model, there are punters banging on AMG's door asking for super-fast, super-exclusive version. And when this potential customer seems more than happy to sign a cheque for more than £100,000 it would be rude to say "no". This is both a good and bad thing. It's bad because AMG is no longer as exclusive as it once was, or in fact would still like to be. Last year it sold 20,000 cars worldwide, which wouldn't be shabby if it were a luxury car manufacturer in its own right. For a mere performance division, it's phenomenal. But it's a good thing because, if several thousand rather than a few hundred people want one of your £100,000 cars, there's a lot more cash to go spend on development. Because if nothing else, the new S63 AMG feels terrifically well developed. If you're looking for quaint, hand-finished charm in your luxury supersaloon, look elsewhere. An S63 exudes quality and perfection right from the off with imposing styling and some fabulous details. The body's shut-lines are gnat's-chuff tight, the doors close (automatically, if you don't pull them quite hard enough) with a beautiful thunk, the windows are double-glazed and the cabin is put together with impeccable accuracy. There's no mismatched wood, dodgy glovebox fit or switches that don't quite work properly in here. AMG says that its customers have very exacting standards and, if our test car was anything to go by, the S63 will meet them.

Driving new Mercedes S63 AMG 2010
Driving new Mercedes S63 AMG 2010