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Wednesday, March 31, 2010

2007 Mercedes-Benz R63 AMG



Mercedes-Benz's AMG performance arm has a history of working its technical know-how into nearly every Mercedes vehicle. The results often produce near-absurd horsepower and impressive, if rarely necessary, performance. So it's no surprise the 2006 R-Class wagon gets its own AMG version for 2007.

The R63 AMG — named for its 6.3-liter V-8 — debuts the division's new high-performance naturally-aspirated V-8. The engine's 503-hp output surpasses even supercharged versions of the previous AMG V-8. On the R-Class, it propels the vehicle from zero to 60 mph in about 5 seconds.

The R63 AMG puts power to the ground through a seven-speed-automatic transmission and full-time all-wheel drive. It hits showrooms in September 2006. As few automakers ever venture into the performance-oriented luxury-wagon segment, Mercedes looks to take most of this tiny slice of the pie.

Exterior
The R63's ground effects include front- and side-sill extensions. Four exhaust pipes and tinted taillights finish the exterior package. The R-Class's optional Airmatic height-adjustable suspension is standard on the R63 AMG, which also gets special damping logic and modified shocks. The basic architecture of the R-Class's four-wheel-independent suspension remains unchanged, with double wishbones in front and a multilink rear setup.

Standard 19-inch wheels wear P295/45R19 tires.

Interior
Seats are upholstered in leather with Alcantara suede-like inserts. AMG sport seats offer deeper side bolsters than are normally found in the R-Class; other modifications include a unique instrument cluster and steering wheel.

Even in full AMG trim, the R63 remains true to its mission: hauling more people than a conventional sedan. Three rows seat six occupants, with a makeshift aisle between the second-row seats allowing access to the rear.

Under the Hood
Mercedes says each 6.3-liter V-8 is hand-built by a single AMG engineer. Despite its increased size, the new engine weighs 50 pounds less than its predecessor — a 5.5-liter V-8. It features a textbook's worth of engineering technology: Silicon-aluminum construction, ultra-low cylinder friction and dual-camshaft variable-valve timing are among its highlights. It generates 503 hp and 465 pounds-feet of torque. Power runs through a seven-speed-automatic transmission with steering wheel-mounted shift buttons.

Full-time all-wheel drive is standard.

Safety
The R63 includes a full bevy of standard safety equipment, including side-impact airbags, side curtain-type airbags, antilock brakes and an electronic stability system.
source : car

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