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2014 Mercedes-Benz S63 AMG revealed

Wed, 17 Jul 2013

Mercedes-Benz's AMG performance-car division has officially revealed its new 577-hp S63 AMG ahead of the rapid sedan's public Frankfurt motor show debut in September.

Several traditional AMG styling mods distinguish the S63 from recently introduced but lesser S-class models (“S-class Stunner,” Autoweek, May 27). They include a deep new front bumper, chromed blade grille, twin-turbo V8 badges on the side and beefed-up sills. The new bad boy is planned for U.S. sale in November wearing a $140,000 sticker -- about the same as the outgoing car.

In long-wheelbase form, the new S63 weighs 4,400 pounds -- 220 pounds less than its predecessor despite being slightly bigger and having more standard equipment.

AMG's 5.5-liter, twin-turbo V8 powers the car, reworked to develop 577 hp, 41 more than the old S63. Torque? To put it mildly, a stout 664 lb-ft between 2,250 and 3,750 rpm.

The direct-injection gas engine already meets EU6 emission regulations, with 23.3 mpg combined on the European test procedure. Power is again channeled through AMG's seven-speed MCT (multi-clutch transmission) with three driving modes: controlled efficiency, sport and manual -- the former brings an automatic stop/start function.

Following other new AMG models, four-wheel drive is standard. The car will rocket to 62 mph in just 4.0 seconds, a half-second quicker than the old model. To compare, the Audi S8 runs a 4.0-liter, 513-hp twin-turbocharged V8 and will hit 62 mph in 4.2 seconds.

The S63 AMG 4Matic's suspension is conventional steel springs and Mercedes-Benz's new ADS Plus adaptive damping system, providing continuous adjustment in two modes: comfort and sport. It also receives revised geometry with added camber and a larger antiroll bar up front along with a stiffer rear subframe. The standard 19-inch forged aluminum wheels measure 8.5 inches in width front and 9.5 inches rear, and come with 255/45 and 285/40 profile tires front/rear. Optional 20s will be available in the same width.

Further options for the S63 AMG include carbon-ceramic brakes for the first time and an extensive list of other high-end extras.

By Greg Kable