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Home » Green Car News » Mercedes

CLS 63 AMG –  Benchmark in design, performance &  efficiency

17 November 2010

 

V8 biturbo engine

 

 

 

 
Exciting design, ultimate performance and groundbreaking efficiency: this is what the new Mercedes-Benz CLS 63 AMG is all about.

The top-of-the-range version of the four-door coupé is equipped with the newly developed AMG V8 biturbo engine, featuring a peak output of up to 557 hp and 800 Nm of torque, as well as the AMG SPEEDSHIFT MCT 7-speed sports transmission. On top of this, the vehicle's fuel consumption of 28.5 mpg represents an improvement of 32 per cent compared with the previous model (all figures provisional).

The combination of an AMG RIDE CONTROL sports suspension with an electronically controlled damping system and new front axle, newly developed electromechanical AMG sports parameter steering, and also optional AMG ceramic high-performance composite braking system, is synonymous with maximum driving dynamics. Visually, the CLS 63 AMG impresses with its athletic appearance and distinctive exterior and interior design. The model's standard specification also includes innovative LED High Performance headlamps.

"The new CLS 63 AMG continues the success story of the previous models, the CLS 55 AMG and CLS 63 AMG, which have delighted our customers all around the world since 2004", according to Ola Källenius, Head of Mercedes-AMG GmbH. "The CLS 63 AMG is a unique high-performance car – it sets new standards in design, performance and efficiency."

Like the S 63 AMG and CL 63 AMG, drivers of the CLS 63 AMG will benefit from an eight-cylinder powerhouse, designated internally as the M 157: the new AMG 5.5-litre V8 biturbo engine boasts a combination of innovative high-tech components which, in addition to spray-guided direct petrol injection with piezo injectors, also include a full aluminium crankcase, four-valve technology with camshaft adjustment, air/water intercooling, generator management and stop/start system. With a displacement of 5461 cc, the eight-cylinder engine develops a peak output of 525 hp and torque of 700 Nm. In conjunction with the AMG Performance package, these figures increase to 557 hp and 800 Nm. Both variants of the CLS 63 AMG achieve exceptional performance: acceleration from 0-62 mph takes 4.4 and 4.3 seconds respectively, and the top speed is 155 mph (electronically limited).

The major difference between both power units is the increase in the maximum charge-air pressure from 1.0 to 1.3 bar. In addition, the CLS 63 AMG with the AMG Performance package features a special high-quality carbon fibre engine cover.

Quantum leap: fuel consumption reduced by 32 percent

Despite a significant performance increase compared with the previous model, which had a naturally aspirated AMG 6.3-litre V8 engine producing 514 hp and 630 Nm of torque, the new CLS 63 AMG is some 32 per cent, more economical – which represents a quantum leap forward.

The NEDC fuel consumption of 28.5 mpg equates to a CO2 output of 232 g/km. Thanks to these figures, the new V8 Coupé from AMG not only undercuts all of its direct competitors in the small but refined four-door high-performance coupé segment, but is also more fuel efficient than significantly lower-powered vehicles. Both performance variants have identical fuel consumption and CO2 figures.

Key data at a glance:

  CLS 63 AMG
Displacement 5461 cc
Bore x stroke 98.0 x 90.5 mm
Compression ratio 10.0:1
Output 525 hp at 5250 rpm
557 hp at 5750 rpm*
Max. torque 700 Nm at 1750 - 5000 rpm
800 Nm at 2000 - 4500 rpm*
Engine weight (dry) 204 kg
Fuel consumption - combined 28.5 mpg
CO2 emissions 232 g/km
Acceleration 0 - 100 km/h 4.4 s
Top speed 155 mph

 

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