The Mercedes C63 AMG is a hot commodity amongst tuners, so whatever type of upgrade customers are looking for in their C63 AMG, there is probably already a tuning kit readily available for them. The C63 AMG Eliminator by Wimmer RS combines an extravagant exterior look with amazing speed, while the C63 AMG V63 Supercharged by Vath drops the vibrant exterior look and just sticks to speed. Now, German tuner, Kicherer, is keeping the more standard look and taming down the breakneck speed. Their new special White Edition will be limited to only 10 units and, according to the tuner, was developed "exclusively for the sporting driver."
This package doesn’t deliver anywhere near the 680 HP of the Vath model, but it does get enough of an upgrade to please customers that are looking for a more moderate increase. The tuner provided some software optimization to the 6.2L V8 engine and removed the top speed limiter so the Mercedes could now deliver 520 HP and 457 lb-ft of torque, up from 457 HP. In order to handle the extra 63 HP, the vehicle was equipped with a high-performance limited slip differential with variable slip and high-performance coilovers which are individually adjustable.[...]
Source:
topspeed