UPDATED

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More details are surfacing from Mercedes-Benz on the latest car in its fleet to get AMG's new purpose-built 6.3-liter V8, following the first image we featured in July. Based on the recently updated CL-Class – the grand touring coupe itself based on the S-Class sedan – the CL63 AMG sweetens the deal with 525 hp, capable of propelling this leather-lined cruise missile to sixty in 4.6 seconds on its way to an electronically-limited top speed of 155 mph (a Mercedes standard).

In addition to the fire-snorting engine upgrade, the CL63 gets a full aero package (even more aggressive than the AMG Sport Package offered on the "standard" CL) and suspension upgrades, as well as the full host of Mercedes' electronic systems. A close-up shot of the wheels shows a monstrous brake package, while a shot of the rear seems to show an aerodynamic diffuser to minimize lift without the need for an ostentatious rear wing (there's a reason they call it a "spoiler").

No word yet on pricing, but the old axiom applies: if you have to ask, you can't afford it.

(Full high-resolution gallery and press release after the jump)

[Source: Mercedes-Benz]

UPDATE: Added full high resolution gallery and press release


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Press Release

Mercedes-AMG is unveiling the range-topping version of the new luxury coupé, the CL 63 AMG. Under the bonnet is an AMG 6.3-litre V8 engine that was devel-oped independently and delivers a maximum output of 386 kW/525 hp and 630 Ne-wton metres of peak torque for guaranteed scintillating performance. A glance at the high-tech specification of this exceptional two-door coupé emphatically under-lines its exclusive status: in addition to the unmistakable AMG bodystyling and the AMG sports suspension based on Active Body Control, the AMG high-perfor-mance braking system is also fitted as standard. PRE-SAFE®, the anticipatory occupant protection system, is included too and may be supplemented by the addition of both the innovative new PRE-SAFE® Brake and DISTRONIC PLUS as an option.

The CL 63 AMG represents the highlight of Mercedes-AMG's 2006 model initia-tive so far, which has encompassed ten brand new high-performance AMG models to date. At the heart of the eight-cylinder flagship model is the AMG 6.3-litre V8 engine.

From its displacement of 6208 cc, the high-revving, naturally aspirated drive unit musters up 386 kW/525 hp at 6800 rpm and generates its peak torque of 630 Ne-wton metres at 5200 rpm. This gives the AMG powerpack a higher power-to-swept-volume and torque ratio than any other naturally aspirated series-produced eight-cylinder engine in the world. The CL 63 AMG is propelled from 0-100 in just 4.6 seconds, with top speed electronically limited to 250 km/h