The standard features of the Mercedes-Benz R350 Base include 3.5L V-6 268HP engine, 7-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st, 2nd and 3rd row overhead airbag, rear side-impact airbag, airbag occupancy sensor, automatic, 18" alloy wheels, cruise control, ABS and driveline traction control, and a 4MATIC all-wheel drive.