The New Renault Laguna achieves an exceptional NCAP rating in the latest tests - protection of all occupants

Renault Laguna
The Renault Laguna achives 5 star NCAP rating

The outgoing Renault Laguna was the first car to achieve a five-star rating in the passive safety assessment tests carried out by the independent body, Euro NCAP. It was a result that took the car into a new era. Today, it’s the turn of New Laguna to achieve the same maximum five-star rating. With a total of 36 points from a possible 37(*), one of the highest scores ever recorded in the tests, the newcomer even outperformed its predecessor to once again highlight Renault's expertise in the realm of passive safety. In addition to its Euro NCAP credentials, New Laguna delivers reassuring handling thanks to its precise, responsive chassis, while at the same time ensuring a level of braking and technology that puts it at the top end of its category in real-life motoring conditions.

Systematic work into optimising the protection of all occupants

As Laguna II was the first vehicle to achieve a five-star rating in the Euro NCAP safety assessment tests, it was only natural that New Laguna should strive to innovate even further. Renault consequently developed a range of new solutions which take into account research into road accidents and real-life situations in a more holistic and effective manner to ensure the safety of all occupants. To guarantee enhanced protection, New Laguna evolved to ensure that its latest-generation protection equipment was triggered even faster. All configurations are now controlled by a triple algorithm in a bid to optimise protection performance in different impact situations (complex front, rear and side impacts). This effective system is combined with either six or eight airbags (optional rear thorax airbags from the second equipment level up) which are positioned all round the passengers.

For effective front impact protection, New Laguna is equipped with two new-generation dual-volume adaptive airbags and a sensor mounted on the driver's side seat-rail. When deployed, the form and volume of the front airbag adapts to the driver's size and seating position, optimising the way the load is spread out across the passenger's head and thorax. Meanwhile, each one of the three-point seatbelts is equipped with a load limiter (set at 400 and 600daN). The double pretensioners now act on each extremity of the front seatbelts (outer side of the lap-strap and reel). This solution combines with the anti-submarining hump built into the seat cushion to hold the groin against the seat and improve retention of the thorax in the case of frontal impact. The fixed central stalk has been improved to facilitate the belt's attachment, whilst at the rear, pretensioners and Isofix anchorage points are available for the outer seats.

Side impacts are a major cause of fatality, so specific work has gone into this domain with spectacular results. To reduce impact detection and reaction times by up to half, New Laguna features a system based on two sensors incorporated in the front door and B-pillar. A special algorithm automatically adjusts the system's response time to match the impact's force and controls a new-generation, twin-chamber, dual-pressure side airbag which protects both the thorax, which is more fragile, and the more resistant groin area. Legislation dictates that protection should be effective up to 31 mph, but New Laguna provides effective protection up to 44 mph.

The New Renault Laguna is also equipped with warning lights which warn if any of the five seatbelts are not fastened, plus an audible alarm in the case of the front seats. The seat-frames have been re-designed for enhanced efficiency and comfort. Although thinner, the seatbacks offer no impediment to the back, while protection of the neck in the case of rear impact has been improved too, thanks to new-generation headrests with built in slide-rails.

(*) The score of 36 points from 37 breaks down into 16 points for front impact performance, 15 points for side impact performance, plus three additional points for the seatbelt fastened detection system and two for its pole impact performance. New Laguna was also awarded a four-star rating for child occupant protection and two stars for pedestrian protection.

Published : 19/12/07 Author : Melanie Carter

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