The top-of-the-range version of the four-door coupe 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).
Drivers of the Mercedes-Benz CLS63 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 Mercedes-Benz CLS63 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 CLS63 AMG with the AMG Performance package features a special high-quality carbon fibre engine cover.
The Mercedes-Benz CLS63 AMG is fitted as standard with titanium grey-painted wheels featuring a high-sheen finish and new triple-spoke design. The 9.0 x 19 format front wheels are fitted with 255/35 R 19-size tyres, while the 10 x 19 format rear wheels come with 285/30 R 19-size tyres. Available as an optional extra from the AMG Performance Studio are AMG light-alloy forged wheels in a 5-twin-spoke design and painted in titanium grey with a polished finish. They come with 255/35 R 19 (front) and 285/30 R 19 (rear) wide-base tyres.
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