KTW Tuning has released an aftermarket program for the Mercedes-Benz C63 AMG. They kept the naturally-aspirated 6.3-liter V8 engine but increased
its output from 451 bhp (336 kW) to 518 bhp (386 kW). The electronic top
speed limiter was also removed but KTW Tuning doesn't mention the Vmax
of the model.
A new styling kit was applied to the coupe which brings a black front
grille, tinted rear and side windows, along with 20-inch alloy wheels
covered by 235/30 ZR 20 tires at the front and 275/25 ZR20 rubbers for
the rear axle. The "Black Daimler" upgrade program costs 6,599 EUR (approximately 8,500 USD).
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