Brabus has had its way with the Mercedes-AMG GLE 63 Coupe, and beyond the cosmetic changes, the horsepower has been jacked up to 850 horsepower. That means that the top speed is in excess of 320 km/h.
Brabus changed nearly everything about the 5.5-liter twin-turbo engine. This includes things increasing the displacement and strapping on a number of larger turbochargers.
We know it's hard to impress you with numbers like 1,450 Nm (1,069 lb-ft) of torque, so let's express it another way. The average smart fortwo's 1-liter engine only has 91 Nm of torque (67 lb-ft), so the GLE has the equivalent of nearly 16 little cars stuffed under its bonnet.
While cornering might still be problematic, acceleration is comparable to a Ferrari F430. After reaching 100 km/h (62 mph) in only 3.8 seconds, the 850 hp monster won't stop to accept your surrender.