The standard features of the Mercedes-Benz SL55 AMG Base include 5.5L V-8 493HP engine intercooled supercharger, 5-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), navigation system, side door mounted airbags, driver and passenger side airbag head extension, driver knee airbag, airbag occupancy sensor, BabySmart airbag childseat sensor, automatic, 18" AMG superior alloy wheels, cruise control, and an ABS and driveline traction control.