Brabus has quietly introduced a new tuning program for the Mercedes SL 63 AMG. It enables the model to produce 850 HP (625 kW) and 1450 Nm (1069 lb-ft) of torque.

Brabus has quietly introduced a new tuning program for the Mercedes SL 63 AMG.

Dubbed the 850 6.0 Biturbo, the model has been equipped with an aerodynamic styling package that includes a front splitter, a hood scoop, a rear diffuser and a trunk-mounted spoiler. The model also has a sports exhaust system and 20-inch forged alloy wheels.

Under the hood, the twin-turbo 5.5-liter V8 engine has been tuned to produce 850 HP (625 kW) and 1450 Nm (1069 lb-ft) of torque - an impressive increase of 313 HP (230 kW) and 650 Nm (479 lb-ft). The company declined to release performance specifications but the standard model accelerates from 0-100 km/h in 4.3 seconds and has a limited top speed of 250 km/h (155 mph).

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Brabus tunes the Mercedes SL63 AMG to 850 HP