Functions of the proactive passenger protection system
Basic functions
In critical driving situations, the following functions may be initiated either individually or jointly, e.g. in the case of
an emergency braking maneuver, if the driver understeers or oversteers or in the event of non-serious collisions:
—Reversible belt tensioning of the fastened safety belts for the driver and front passenger.
—Depending on the vehicle's equipment, automatic closure of the power sunroof and the side windows to just a gap.
—Activating the emergency flashers.
Depending on the critical driving situation, the safety belts may be tightened individually or together.
Additional functions for vehicles with Automatic Emergency Braking (Front Assist)
On vehicles with Automatic Emergency Braking(Front Assist), the probability of a collision with the vehicle in front is
also calculated within the limits of the system. If the system detects that a rear-end collision is likely or initiates
heavy braking, this can trigger the proactive passenger protection system.
Additional functions for vehicles with Lane Change System (Side Assist)
In vehicles with Lane Change System(Side Assist), within the system limitations, the probability of a rear-end collision
by the vehicle behind is calculated. If the system has recognized that a rear-end collision is probable, it can trigger the
proactive occupant protection system. When there is a recognized risk of collision, alongside its basic function, the
proactive occupant protection system can trigger the hazard warning lights with a faster flashing frequency.
Additional functions for vehicles with Emergency Assist
On vehicles with Emergency Assist, the proactive passenger protection system can be triggered if driver inactivity is
detected.
Depending on the activation level, the following functions are triggered:
—Brief or permanent reversible belt tensioning of the engaged driver's safety belt.
—Depending on the vehicle's equipment, automatic closure of the power sunroof and the side windows to just a gap.
Setting in the Driving Mode Selection
On vehicles with Driving Mode Selection, the proactive passenger protection system is adapted to the special vehicle
setup of the driving mode.
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