The standard features of the Mercury Mariner Base include a Duratec 2.5L I-4 171HP engine, 6-speed automatic transmission, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, Safety Canopy System(TM) curtain 1st and 2nd row overhead airbags, airbag occupancy sensor, air conditioning, 16" alloy wheels, cruise control, driveline traction control, and an AdvanceTrac(R) w/Roll Stability Control(R) stability control system.