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The heart of this new beast is NOT a V8, or even V6, but a 2.0L IL4 unit! These spec should WOW you more than it's outlook. Max Horsepower: 671 hp / 680 ps Max Torque: 1,020 Nm 0 - 100 Km/h: 3.4 sec Top Speed: 280 Km/h (electronically controlled) The engine is AMG’s M139L 2.0-liter inline four-cylinder as seen on the SL43 roadster and the C63’s little brother, the C43. Like those cars it features an electrically-driven turbocharger, but for the C63 the blower is much bigger. So while the SL43’s gas motor peaks at 376 hp (381 PS), and the C43 tops out at 402 hp (408 PS), the C63 kicks both into the weeds with a 470 hp (476 PS) output. That doesn’t only match the old base model C63’s V8 for muscle despite being half the size, it makes this new version of the M139 the most powerful four-cylinder production engine in the world, and with 545 Nm, it must be the torquiest too. And that’s before we’ve factored in the electric boost that’s also new for 2024. That boost happens at the rear wheels courtesy of a 150 kW (201 hp /204 PS) electric motor packed into the rear axle together with an electronically-controlled limited slip differential and a two-speed drive unit. It can power the car as an EV at up to 125 km/h and for up to 13 km, if driven gently, which makes it sound like a PHEV from a decade ago, but that’s because AMG has prioritised power over efficiency for this hybrid system. Drawing from a 6.1 kWh battery the motor delivers its 150 KW maximum for up to 10 seconds at a time, but is always on hand with at least 70 kW (94 hp / 95 PS), and engages its second gear from 140 km/h once it kissed its 13,500 rpm rev limiter. The result is a fairly spectacular combined gas-electric output of 671 hp (680 PS) and 1,020 Nm, making the C63 not only far more powerful than the old V8-engined C63 S and its 503 hp, or the 503-hp BMW M3 Competition but punchier than super sedans from the class above like the 617-hp BMW M5 Competition. 0 to 100 km/h takes 3.4 seconds (down from 4.0 seconds for the old C63 S) and the 250 km/h top speed can be raised to 280 km/h with a suitable bung to your Mercedes dealer at order time. The electric motor acts only on the rear axle, and you can configure the gas motor to do the same. But for the first time the model operates by default in all-wheel drive. Power flows to the 4Matic+ four-paw transmission via a conventional nine-speed epicyclic auto, but one fitted with a wet clutch pack instead of a torque converter. Rear-axle steering also makes its debut on the new C63, and carbon brakes join a list of standard equipment that includes adaptive dampers for the steel-spring suspension and an AMG Dynamics drive mode selector with a new “Master” mode that allows the kind of oversteer antics C63s have become famous for. Drivers also get AMG-specific graphics in the digital instrument cluster and head-up display, plus a button on the steering wheel giving four levels of energy recovery ranging from almost nonexistent to strong enough to allow one-pedal driving.
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