The next tuner to get jiggy with the Mercedes S63 AMG is the old BMW specialist, G-Power. What they’ve done here is, basically, unleash the full potential of the car’s 5.5 liter bi-turbo V8 engine. G-Power Mercedes S63 AMG boasts 705 horsepower and a top speed of 330 km/h.

That has been achieved by G-POWER Bi-Tronik 5 V1 external ECU control module which simultaneously increases the power output and eliminates the top speed restrictor. The engine now generates a 1,000 Nm of torque which means you can sprint from 0 to 100 km/h in this car in just 3.8 seconds.

Of course, there are more powerful kits available for the S63. Packages from Brabus and Mansory come to mind. But what sets G-Power Mercedes S63 AMG apart from the competition is the balance between power and reliability. The power module retains all the standard engine protection systems and won’t kick in until the proper oil temperature is reached. What’s more, it goes offline if oil or water temperature exceeds the factory recommended maximum.

G-Power Mercedes S63 AMG also gets a set of 9.0J and 10.5J x 21-inch forged alloy wheels shod with 265/30R21 and 295/30R21 tires, available in “Jet Black”, ”Gun Metal Grey” and “Stardust Silver”. The rims run for 7,643 euro while the power kit costs 5,797 euro.