This 2006 Mercedes-Benz SL65 AMG is powered by a twin-turbocharged 6.0-liter V12 paired with a five-speed automatic transmission. Modifications are said to include a carbon fiber engine cover, carbon fiber air boxes, Stage 2 engine management software, all from RENNtech. Finished in black over matching leather, it is also equipped with 20″ 10-spoke wheels, a power-retractable hardtop, AMG exterior styling, bi-xenon headlights, heated and ventilated multi-contour seats, dual-zone automatic climate control, COMAND infotainment with navigation, Keyless-GO, and…