The standard features of the Mercedes-Benz SL600 Base include 5.5L V-12 493HP engine twin turbo, 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" alloy wheels, cruise control, and an ABS and driveline traction control.