Based on the Mercedes-Benz C-Class W 204 series sedan, the Bullit includes metal catalysts with low back pressure, a custom stainless-steel exhaust system, new engine electronics with custom mapping and on-board diagnostics system, ARAL Synthetic motor oil, redesigned front carbon fiber apron, a three-piece carbon fiber rear spoiler, carbon fiber rear apron with integrated diffuser, aluminum hood with ventilation slots, BRABUS rocker panels, aluminum fender flares front and back, YOKOHAMA ADVAN 265/30 ZR 19 front and 285/30 ZR 19 tires, BRABUS Monoblock S 9.5Jx19 front and 10Jx19 rear light-alloy wheels, height-adjustable BRABUS coil-over suspension with ten selectable settings each, sport sway bars, 380 mm × 37 mm (14.96 in × 1.46 in) vented and grooved steel front brake discs with 12-piston aluminum fixed front calipers, 360 mm × 28 mm (14.17 in × 1.10 in) vented and grooved steel rear brake discs with 6-piston aluminum fixed rear calipers, Mastik and Nubuk interior leather upholstery, carbon-fiber rear seat covers, carbon-fiber components on dashboard, center console and door panels; sport steering wheel and aluminum pedals and shifter.

[2] Based on the BRABUS BULLIT, the Bullit Black Arrow includes a matte-black body colour, BRABUS Monoblock S 9.5J×19 front and 10J×19 rear light-alloy wheels finished in matte-black and an option of YOKOHAMA or Pirelli 265/30 ZR 19 front and 285/30 ZR 19 rear tires.

Based on the Mercedes-Benz C-Class coupe, it includes height-adjustable Bilstein coil-over suspension with ten settings, upgraded anti-roll bars, carbon-fiber lower spoilers in the front and rear, tail wing, BRABUS Monoblock R wheels (20×8.5-inch front, 20×9.5-inch rear), Continental/Pirelli/YOKOHAMA 235/30 ZR 20 and 275/25 ZR 20 tires, 380 mm × 37 mm (14.96 in × 1.46 in) vented and grooved steel front brake discs with 12-piston aluminum fixed front calipers, 360 mm × 28 mm (14.17 in × 1.10 in) vented and grooved steel rear brake discs with six-piston aluminum fixed rear calipers, black leather and Alcantara interior upholstery with red contrasting seams, carbon-fiber interior trim on the dashboard, center console and door trim; BRABUS sport steering wheel, aluminum pedals and shifter and MOTUL synthetic motor oil.

The vehicle was unveiled at the 2012 Geneva Motor Show.

All models include a reinforced, seven-speed quick-shift automatic gearbox as well as a BRABUS limited-slip differential with a locking rate of 40 percent.