The 2012 Mercedes-Benz CLS-Class CLS 550 is equipped with driver attention alert system, driver knee airbags, front side airbags, rear side curtain airbags, front side curtain airbags, dual front active head restraints, 4-wheel abs, power door locks, brake drying, ventilated disc rear brake, alarm anti-theft system, braking assist, ventilated disc front brake, dual front airbags, vehicle immobilizer anti-theft system, latch system child seat anchors, stability control, traction control, occupant sensing passenger airbag deactivation, front seatbelt pretensioners, front seatbelt force limiters, post-collision safety system impact sensor, rear seatbelt pretensioners, rear seatbelt force limiters.