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Originally Posted by DMbaseball1604
does anyone have any idea of what the performance will be like?
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http://www.brabus.com/01bbe.htm
The top-of-the-line BRABUS engine for the new SLK series is the BRABUS 6.1 S increased-displacement engine for the SLK 55, with its power increase of 85 hp / 62 kW. A custom crankshaft with longer stroke, precision-balanced piston rods, larger pistons and an increased cylinder bore result in a displacement increase to 6.1 liters. In addition the three-valve heads of the eight-cylinder are precision-machined and fitted with BRABUS custom camshafts. The installation of BRABUS high-performance metal catalysts and the precise calibration of the engine electronics round out the BRABUS 6.1 S engine conversion. The new increased-displacement engine exhibits exemplary smoothness and environmental friendliness in addition to its excellent performance: Rated power output jumps from standard 360 hp / 265 kW to 445 hp / 327 kW at 6,000 rpm.
Even more important for increased driving fun is the improved elasticity as a result of the increase in torque: The BRABUS 6.1 S engine delivers a peak torque of 635 Nm. Performance of the tuned roadster is on a correspondingly high sports car level. Power is transferred to the rear wheels via a modified seven-speed automatic transmission and a custom-developed BRABUS locking differential. The BRABUS SLK 6.1 S catapults to 100 km/h from rest in just 4.3 seconds. Top speed is an electronically limited 305 km/h.