MKB tuner provided details for its latest tuning kit, based on the current generation Mercedes CLS63 AMG. The four-door coupe must be equipped with the AMG Performance Package.
The german tuner keeps the standard bi-turbo, 5.5-liter V8 engine, but tweaks it to reach a total amount of 700 hp and a huge amount of torque, rated at 1000 Nm. It is a lot more than the standard offering of the CLS63 AMG: 557 HP (410 kW) and 800 Nm (590 lb-ft).
The huge amount of power helps the high-performance four-door coupe sprint to 62 mph (100 km/h) in 4.1 seconds, making it 0.2 seconds quicker than the version fitted with the optional AMG Performance Package.
The top speed has also been raised from 250 km/h (155 mph) to an electronically limited 300 km/h (186 mph). The tuner guarantees you that with the right tyres it can even reach a top speed of 340 km/h.

Source: Mercedes