Mercedes-Benz M-Class gets a number of essential safety features like six airbags offered in diesel variants, while the AMG variant gets seven airbags in it. There are knee airbags for the driver, curtain airbags for front as well as side passengers and front airbags driver and front passenger. In addition to these safety features, active curve system, tyre Pressure Monitoring System, Intelligent Light System (ILS), Adaptive Damping System, Adaptive Brake Braking System, Brake Assist, Attention Assist, The Airmatic Air Suspension System that work to balance the ride and provide maximum comfort. There is an off-road mode available as well that helps its driver to maneuver better. The Downhill Speed Regulation System gives much more stability and control over the car when descending a slope. The power steering mechanism is based on a direct steer system that weighs according to the speed of the vehicle. A pre-safe system is equipped into the car which prepares the car for the crash. Furthermore, crash responsive head restraints are integrated to the seats that are designed to protect neck injuries. Electronic Stability Program further acts in providing more stability and control when the at high speed. An under guard below the engine is fitted to protect the engine from external damage from the impacts of roads.