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Protection from side collisions.

For many years, PRE-SAFE®, the preventive occupant protection system, has supplemented the classic design measures. The result is comprehensive protection that starts well before an accident and is still effective after the accident. Extensive driving assistance systems, as well as the sophisticated crash sensor system, enable PRE-SAFE® to recognise a likely impact in even more situations than before. The protective effect of the systems is improved with a precisely coordinated response of the restraint systems and a number of other measures. As a result, PRE-SAFE® is now able to incorporate an impending side-on collision, for example, in the event of accidents at junctions by means of the close-range radar sensors and move the occupants into the best possible position prior to an imminent impact. Unlike in the case of a frontal collision, there is only a limited crumple zone available in the event of a side impact. To increase the size of this zone, the new PRE-SAFE® Impulse Side function moves the occupant in the danger zone away from the door and towards the centre of the vehicle just before an imminent side impact.

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Reducing the risk of injury.

To do this, the system inflates the air chambers in the side bolsters of the backrest within a fraction of a second when an imminent side impact is detected. This impulse can move the occupant to the side, away from the acute danger area and towards the vehicle centre, thus increasing the distance between occupant and door. At the same time, the impulse is imparted moderately to the occupant, lessening the forces acting on them during the side impact. This can substantially lessen the load exerted on the rib cage by the side collision and greatly reduce the risk of injury. Extensive tests have shown that the brief impulse does not critically affect the driver’s ability to control the vehicle. The system is available as an optional extra for the front seats.

Demonstration of PRE-SAFE® Impulse Side before a side impact.

Making use of natural reflexes.

In a first, Mercedes-Benz is making use of a natural reflex to prepare the occupants’ ears for the loud noise normally associated with an accident. Nature has cleverly thought of this: a muscle in our ears known as the stapedius reacts to loud noises reflexively by contracting. The contraction of this tiny muscle briefly changes the link between the eardrum and the inner ear, providing greater protection against high sound pressures. Mercedes-Benz uses this natural reflex as biomechanical ear protection for the PRE-SAFE® Sound innovation, since an accident may cause noise to which some people react sensitively. PRE-SAFE® Sound therefore emits a short interference signal through the vehicle’s sound system if the risk of a collision is detected. This signal can trigger the stapedius reflex, which prepares the ears for the noise and thus lessens the risk of hearing discomfort or damage.

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Preventive protection for the very little ones.

With PRE-SAFE® Child in the ESF 2019, Mercedes-Benz now shows how child safety can be further improved. With this child seat with PRE-SAFE® functions, the seat belts are preventively tensioned before a crash and side impact protection elements are extended. Monitoring of seat installation and the child’s vital signs are other functions integrated into the seat. The child seat is networked with the vehicle by radio. When the vehicle sensors recognise a manoeuvre relevant for PRE-SAFE® (for example a skid to the side), a signal is sent to the child seat which triggers the corresponding protective functions.

Preventive protection for the very little ones.

With PRE-SAFE® Child in the ESF 2019, Mercedes-Benz now shows how child safety can be further improved. With this child seat with PRE-SAFE® functions, the seat belts are preventively tensioned before a crash and side impact protection elements are extended. Monitoring of seat installation and the child’s vital signs are other functions integrated into the seat.

The child seat is networked with the vehicle by radio. When the vehicle sensors recognise a manoeuvre relevant for PRE-SAFE® (for example a skid to the side), a signal is sent to the child seat which triggers the corresponding protective functions.

Kraftstoffverbrauch kombiniert CO₂-Emissionen kombiniert Stromverbrauch im kombinierten Testzyklus

Product may vary after press date on 22.11.2019.

1 Die angegebenen Werte wurden nach dem vorgeschriebenen Messverfahren ermittelt. Es handelt sich um die „NEFZ-CO₂-Werte“ i. S. v. Art. 2 Nr. 1 Durchführungsverordnung (EU) 2017/1153. Die Kraftstoffverbrauchswerte wurden auf Basis dieser Werte errechnet. Der Stromverbrauch wurde auf der Grundlage der VO 692/2008/EG ermittelt. Weitere Informationen zum offiziellen Kraftstoffverbrauch und den offiziellen spezifischen CO₂-Emissionen neuer Personenkraftwagen können dem „Leitfaden über den Kraftstoffverbrauch, die CO₂-Emissionen und den Stromverbrauch aller neuen Personenkraftwagenmodelle“ entnommen werden, der an allen Verkaufsstellen und bei der Deutschen Automobil Treuhand GmbH unter www.dat.de unentgeltlich erhältlich ist.

4 Angaben zu Kraftstoffverbrauch, Stromverbrauch und CO₂-Emissionen sind vorläufig und wurden vom Technischen Dienst für das Zertifizierungsverfahren nach Maßgabe des WLTP-Prüfverfahrens ermittelt und in NEFZ-Werte korreliert. Eine EG-Typgenehmigung und Konformitätsbescheinigung mit amtlichen Werten liegen noch nicht vor. Abweichungen zwischen den Angaben und den amtlichen Werten sind möglich.

6 Stromverbrauch und Reichweite wurden auf der Grundlage der VO 692/2008/EG ermittelt. Stromverbrauch und Reichweite sind abhängig von der Fahrzeugkonfiguration. Weitere Informationen zum offiziellen Kraftstoffverbrauch und den offiziellen spezifischen CO₂-Emissionen neuer Personenkraftwagen können dem „Leitfaden über den Kraftstoffverbrauch, die CO₂-Emissionen und den Stromverbrauch aller neuen Personenkraftwagenmodelle“ entnommen werden, der an allen Verkaufsstellen und bei der Deutschen Automobil Treuhand GmbH unter www.dat.de unentgeltlich erhältlich ist.

7 Angaben zu Stromverbrauch und Reichweite sind vorläufig und wurden vom Technischen Dienst für das Zertifizierungsverfahren nach Maßgabe der UN/ECE-Regelung Nr. 101 ermittelt. Die EG-Typgenehmigung und eine Konformitätsbescheinigung mit amtlichen Werten liegen noch nicht vor. Abweichungen zwischen den Angaben und den amtlichen Werten sind möglich.