After yesterday’s leaked photos, Mercedes-AMG has officially unveiled the all-new C 63, which is available in two body styles and two power levels with up to 510PS (503hp).

The new C63 sources the 4.0-liter biturbo V8 engine from the Mercedes AMG GT and gets it in two states of tune – 476PS (470hp) and 650Nm (479lb-ft) for the C 63 and 510PS (503hp) and 700Nm (516lb-ft) for the C 63 S.

In sedan form, the C 63 S sprints from 0 to 100 km/h (62 mph) in 4.0 seconds, while the less powerful C 63 does it in 4.1 seconds. Both figures are improvements of 0.4 seconds compared to the previous generation’s corresponding models. Acceleration figures for the new estate are 0.1 seconds slower than the sedan, while top speed is electronically limited at 250 km/h (155 mph).

The engine is mated to the AMG Speedshift MCT 7-speed sport transmission with paddle shifters that has been updated from the previous model, delivering shorter shift times.

Despite the performance stats, Mercedes says the C 63 averages 8.2 l/100 km (28.7 mpg US) and emits 192 g/km CO2, making it the most fuel-efficient eight-cylinder car in the high-performance segment. Compared to the previous model, the new C 63 is around 32 percent more fuel-efficient, despite delivering even more performance. Power-to-weight ratios of 3.4 kg/hp (C 63 S) and 3.6 kg/hp (C 63) also put the new C 63 at the head of the rankings.

Besides technical and styling modifications, the new model also receives a new nomenclature, going from C 63 AMG to C 63. Standard equipment includes the AMG RIDE CONTROL sports suspension with electronically controlled shock absorbers, the mechanical rear locking differential and the AMG DYNAMIC SELECT drive programs.

Styling-wise, the new Mercedes-AMG C 63 adopts redesigned bumpers with larger air intakes and a splitter and the front and two chrome-plated twin end pipes integrated into a diffuser at the rear, 14mm (0.5in) wider aluminum wings with V8 Biturbo lettering, twin-blade radiator grille with AMG lettering and other details. C 63 S models get additional cosmetic tweaks, but overall, the styling package for both the C 63 and C 63 AMG manages to combine aggressiveness with elegance.

The new Mercedes-AMG C 63 S in sedan form will be the first to arrive in European dealerships in February 2015, while the C 63 and the C 63 S Wagons will follow in April 2015. An exclusive “Edition 1” will be available from market launch.

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