It’s new times. Instead of betting on a bigger and more powerful engine to remove the six-cylinder 3.0 biturbo rival BMW M3, the new generation Mercedes-AMG C63 will stop the V8 4.0 biturbo engine, called M177, to adopt a four-cylinder engine.
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Furthermore, its combustion engine will be the same as that of the smallest AMG, the Mercedes-AMG A 45. The little secret, however, is a solid plug hybrid system. The result will be a gain of about 200 hp.
The main thing is that in the new C63 The M139 2.0 engine with an electric turbo will be installed at length, as will the brand’s six-cylinder and V8. This also helps explain how it was possible to inherit the hybrid system from the six-cylinder engine that is equipped with the Mercedes-AMG CLS 53 4Matic+.
In this case, instead of producing 22 hp, the 48 V generator / starter installed in the gearbox ensures a gain of 54 hp, but it maintains a peak torque of 26 kgfm. In any case, it already makes it the most powerful four-cylinder in production: it has 470 peak hp.
The transmission that equips the model will be EQ Boost, which will work together with the MCT Speedshift gearbox and a nine-speed torque converter. and this is for petrol engine only.
There is still an electric rear drive with a two-speed gearbox, which ensures additional torque and completes the “P1” powertrain, as Mercedes called it.
The result of this set is 670 hp and 76.45 kgfm, exceeding the current C63 S and BMW M3 by 160 hp and 167 hp, respectively.
What remains to be seen is how that power will be distributed. Mercedes is planning a fully adaptive all-wheel drive system for the C63 4Matic, unlike previous rear-wheel drive versions.
In addition to the low environmental impact, which was one of the main reasons for replacing the engine, the four-cylinder also made the C63 lighter in front, even with the addition of an electric motor. They are 48.5 kg less compared to the old V8, a total of 160.5 kg. The batteries, however, may have compensated for this loss.
Another aspect where the new power plug-in surpasses the old is driving. All the weight of the Mercedes-AMG C63 is concentrated further down due to the battery and electric rear drive, which lowers the car’s center of gravity and, therefore, improves its handling and agility.
The version shown is a concept that was at the 24 hours of the Nürburgring last weekend, but it already gives the final design of the C63 could be.
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At the front, the bumper doesn’t seem to have been changed, while the grille has been tweaked to differentiate it from the current version. At the rear, the taillights were more balanced and the four powerful exhausts reinforce the aggressiveness of the sports car.