Press Release:
*The newly developed 6.3-litre engine accelerates the car from 0 to 100 km/h in 4.5 seconds
*Technology borrowed from motor racing
*Sports suspension with high-performance brake system
*AMG bodystyling and exclusive interior appointments
With its impressive performance, dynamic design and exclusive equipment, the new CLS 63 AMG from Mercedes-AMG is a highly unusual automobile. The unique four-door Coupé is powered by a 6.3-litre V8 engine that was completely developed by AMG. With an output of 378 kW and a maximum torque of 630 Nm, the new AMG power pack guarantees the very best in driving performance: the CLS 63 AMG accelerates from 0 to 100 km/h in 4.5 seconds and reaches 200 km/h in 15.1 seconds. The vehicle’s top speed is electronically limited to 250 km/h.
AMG’s new 6.3-litre V8 engine is the only one in the world to combine a high-revving design with generous cubic capacity. Developed completely independently by AMG, the high-performance engine has around 20 percent more torque than comparable naturally aspirated engines in this output class. Manufactured completely out of high-strength aluminium, the V8 naturally aspirated engine features a number of technologies borrowed from motorsport, thus impressively documenting the racing sport tradition of AMG. The vertical arrangement of the intake and exhaust ducts as well as the use of a new variable intake manifold with two integrated throttle valves ensures that the cylinders are optimally charged.
Bucket tappets in the cylinder heads make a rigid valvegear possible, and therefore also high engine speeds. Variable camshaft adjustment, a particularly rigid closed-deck crankcase and cylinder bores with the revolutionary new TWAS coating are just some of the other prominent features of the cutting-edge V8 engine made by Mercedes-AMG.
The unique combination of a high-revving design and large engine displacement brings together the best of two worlds: exciting responsiveness and at the same time powerful torque at low engine speeds. A high level of agility at all engine speeds brings home to the driver of the CLS 63 AMG the emphatically sporty character of the vehicle. At 2 000 r/min, the AMG V8 already delivers an impressive 500 Nm to the crankshaft. The maximum torque of 630 Nm is available at 5 200 r/min.
The new AMG eight-cylinder powerplant delivers dynamic acceleration, fast sprinting power and the highest level of pure driving pleasure. With the AMG’s new, sporty and powerful sound, which was perfected during extensive test series, the eight-cylinder unit from Affalterbach offers the thrill of a naturally aspirated, high-r/min V8 engine – which every driver can feel and hear at low, medium and high engine speeds.
The electronically controlled fuel supply system with newly developed components operates at a pressure of 3.8 to 5.0 bar depending on requirements. The fuel pressure adapts immediately to the desired performance level and external temperature. Following a command from the accelerator pedal, it takes just milliseconds for the vehicle electronics to adjust the pressure accordingly. This control system guarantees a spontaneous response and sporty propulsion at any engine speed and load range.
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Source: Mercedes-Benz Press Release

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