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With 887 hp and 884 lb-ft on tap, Brabus’ ‘Rocket 900’ lives up to its name

If the AMG line is the special forces unit of Mercedes-Benz, Brabus is the heavy artillery, a group that symbolizes raw power, destruction, and wide-eyed intimidation.

The vaunted Mercedes tuner has announced the ‘Rocket 900,’ an S65 AMG-based monster that’s headed for the 2015 Geneva Motor Show.

As we all know, the S65 AMG is no slouch. With a 6.0-liter, 621-horsepower biturbo V12 under its hood, the luxurious ‘super sedan’ can hit 60 mph in 4.2 seconds before topping out at an electronically-limited 155 mph.

Brabus, per usual, cranks the performance up to 11. The biturbo V12 has been to the gym and now displaces 6.3 liters thanks to increased cylinder bore and a longer stroke. The factory turbos have been axed as well, replaced by units with larger compressors and turbines. There’s also a new intake manifold, modified exhaust manifold, and stainless steel exhaust piping to keep the airflow coming.

The result is a peak output of 887 hp and a whopping 1,106 pound-feet of torque, but for the sake of the seven-speed transmission, it’s been dialed back to a modest 884 lb-ft. 0 to 60 mph now comes in 3.7 seconds and 0 to 124 mph is accomplished in just 9.1 seconds.

The tuner has also thrown out the silly speed limiter, so the Rocket 900 will run all the way up to 217 mph while begging for more.

Related: Brabus’ S63 AMG-based 850 6.0 Biturbo Coupe is too powerful for its own good

Another feature of note is the exhaust tone management system, made possible with the use of electronic butterfly valves. At the push of a button, drivers can dampen the throaty V12’s bellow by selecting the ‘Coming Home’ mode, which will surely be appreciated by anyone in the same zip code.

The car also equips Brabus’ own iBusiness multimedia system, which integrates an iPad mini and Mac Mini into vehicle’s infotainment.

The Rocket 900, in all its carbon fiber, leather, and Alcantara glory, costs $390,371, which includes the $222,222 cost of the S65 AMG.