Mercedes-Benz CL63 AMG & S63 AMG 2007

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Mercedes-Benz CL63 AMG & S63 AMG 2007

Mercedes-AMG is presenting two top V8 models in the form of the CL 63 AMG and S 63 AMG. Dynamic progress is guaranteed by the 100% AMG-developed 6.3-litre V8-engine with a peak output of 386 kW/525 hp and 630 Newton metres of torque.

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The exclusive nature of the unique AMG high-performance cars is amply demonstrated by their high-tech appointments: standard equipment includes AMG bodystyling, AMG light-alloy wheels, an AMG sports suspension based on Active Body Control, an AMG high-performance braking system, a dedicated AMG interior and the preventive occupant protection system PRE-SAFE® – with the new PRE-SAFE® brake and DISTRONIC PLUS available as options.

The CL 63 AMG and S 63 AMG are the current highlights of the 2006 strategic model initiative by Mercedes-AMG – with ten brand-new high-performance cars to date.

The heart of both top-of-the-line eight-cylinder models is the 100% AMG-developed AMG 6.3-litre V8-engine. From a displacement of 6208 cc, this high-revving, naturally aspirated engine delivers an output of 386 kW/525 hp at 6800 rpm and a maximum torque of 630 Nm at 5200 rpm.

This gives the AMG powerpack a higher specific output and specific torque than any other series-produced naturally aspirated eight-cylinder engine in the world.

Accordingly the eight-cylinder unit from Affalterbach has a fulminating performance potential: both AMG models will accelerate to 100 km/h in 4.6 seconds, and the maximum speed is electronically limited to 250 km/h.

This unique combination of a fast-running design and a large displacement achieves the best of both worlds: exhilarating high-revving flexibility accompanied by high pulling power at low engine speeds.

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AMG 6.3-litre V8-engine with high-tech motor racing features

Made entirely from high-strength aluminium, the V8 naturally aspirated engine is packed with a wealth of fascinating racetrack technology that reflects AMG's rich motorsport heritage. The vertical arrangement of the intake and exhaust ports together with the sophisticated new variable intake manifold featuring two integral throttle flaps results in superlative cylinder charging.

S 63 AMG - Click image for larger view

The use of bucket tappets in the cylinder heads paves the way for a stiff valve train and therefore high engine speeds. Variable camshaft adjustment, an extra-rigid closed-deck crankcase and cylinder walls with a revolutionary new LDS coating are further attributes of this ultra-sophisticated V8 engine made by Mercedes-AMG.The electronically controlled fuel supply with newly developed components operates with a variable system pressure of between 3.8 and 5.0 bar.

CL 63 AMG - Click image for larger view

S 63 AMG - Click image for larger view

Depending on the power requirements and outside temperature, the fuel pressure is adjusted and regulated instantaneously. The engine management system translates the command from the accelerator into an equivalent pressure set point within milliseconds. This system of regulation ensures a spontaneous response and sporty thrust in all load and engine speed ranges.

AMG sports exhaust for typical AMG eight-cylinder vocals

The AMG sports exhaust system with two sets of twin chromed tailpipes in the CL 63 AMG and S 63 AMG provides the telltale AMG eight-cylinder sound. The new tri-metallic coating used in the catalytic converters results in a faster response from a cold start, more efficient emission control as well as superior long-term durability. Naturally both models fulfill all standard exhaust emissions limits such as EU4. They also take the specific requirements of the U.S. market, such as LEV II, "On-Board Diagnosis II" and oxygen sensor diagnosis, in their stride.

AMG SPEEDSHIFT 7G-TRONIC with three shift modes

The AMG SPEEDSHIFT 7G-TRONIC transmission with DIRECT SELECT gearshift is the perfect complement to the dynamic power. The conventional shift lever in the centre console is replaced by a lever on the steering column which the driver nudges slightly to select the “P“,“N“,“R“ and “D“ positions. In true Formula One style, the seven-speed automatic transmission can be operated using the AMG shift paddles on the steering wheel.

There are three transmission modes – "S" (Sport), "C" (Comfort) and "M" (Manual) – each of which has different shift characteristics and speeds, and can be selected using a switch on the centre console. In “S“ mode, gearchanges are executed around 30 percent more rapidly than in “C“ – and no less than around 50 percent faster in “M“ mode.

In the manual "M" mode, the driver can truly harness the immense pulling power generated by the V8 engine, as there is no automatic downshift under full throttle or during kickdown; the transmission remains in the selected gear.

Plus, AMG SPEEDSHIFT does not automatically execute an upshift when it reaches the engine speed limit in manual mode either, which allows drivers with a particularly sporty streak to make even better use of the power at their disposal. As the rev speed approaches the lower limit, the transmission automatically changes down a gear.

AMG sports suspension based on Active Body Control

The suspension and braking system of the CL 63 AMG and S 63 AMG are a highly impressive high-tech package. The AMG sports suspension based on Active Body Control (ABC) all but entirely eliminates the body movements that occur when moving off, cornering and braking.

Bends are negotiated with far less roll; the body roll caused by fast evasive manoeuvring is effectively suppressed. The driver can use the "S/C/M" mode button in the centre console to select from the "Sport", "Comfort" and "Manual" shift programmes that not only change the transmission characteristics but also the accelerator response and the spring/damper settings of the AMG sports suspension:

“C“ (Comfort) selects a more comfort-oriented configuration, while in “S“ (Sport) and “M“ (Manual) the driver has a stiffer, more sporty setup with reduced body roll available.

Exclusive interior appointments with multicontour seats and "RACETIMER"

This sporty and exclusive styling is continued in the interior. The extensive standard appointments include PASSION leather upholstery and multicontour AMG sports seats with their own cross-piping design and massage function. In the S 63 AMG the side seat bolsters are upholstered in particularly soft natural leather.

The AMG ergonomic sports steering wheel with its specially designed rim and AMG shift paddles of aluminium with “up“ and “down“ lettering is another visual and tactile delight. The AMG main menu in the instrument cluster displays the currently engaged gear and recommended upshifts in Manual mode, plus either the engine oil temperature or the battery voltage as well as the RACETIMER.

New standards in active and passive safety

The CL 63 AMG and S 63 AMG also set new standards where active and passive safety are concerned: their standard appointments include PRE-SAFE®, the preventive occupant protection system. PRE-SAFE® recognises situations conducive to an accident at an early stage and activates a number of protective systems as a precaution. In the CL 63 AMG the unique Intelligent Light System is also standard to make driving at night even safer.

The market launch of the CL 63 AMG and S 63 AMG in Mercedes-Benz sales offices and dealerships will commence in January 2007. The S 63 AMG comes in two body variants: a particularly lively, 130-millimetre shorter version is available in addition to the more prestigious version with a long wheelbase.

October 28, 2006

Photos: Automotive Intelligence/Mercedes-Benz

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