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Generations of Mercedes-Benz experimental safety vehicles.

Mercedes-Benz Unveils Experimental Safety Vehicle

The hybrid GLE400e SUV previews safety technology for future Mercedes-Benz models.

Mercedes-Benz unveils the latest in a long line of experimental vehicles in an ongoing project into advanced safety technology.

Based on a yet-to-be launched gasoline-electric hybrid GLE400e, the ESF 2019 research project acts as a rolling showcase for new and improved safety functions that Mercedes-Benz expects to incorporate into future models. The project’s innovations include those the German automaker calls “near series” as well as developments it says “look well into the future.”

The ESF 2019’s developments include a holistic driver environment featuring a retractable steering wheel and pedal box as well as ideas for new airbag installations that Rodolfo Schöneburg, the head of Mercedes vehicle safety, says “take into account the greater interior flexibility offered by autonomous vehicles.

“The great advantage of automating driving functions is that, in the future, fewer accidents will be caused by driver error,” he says. “However, fully automated and driverless vehicles also come up against physical limits, and there will undoubtedly be mixed traffic consisting of automated and non-automated vehicles for many years.”

The heavily modified GLE also uses a new interior lighting function incorporated into the driver’s sun visor. It has been developed in response to recent studies indicating a vitalizing light source similar to that of mood lamps can significantly improve driver alertness on long journeys.

As part of an update to its existing Pre-Safe belt tensioners, Mercedes has equipped the ESF 2019 with Pre-Safe Curve, which warns the driver by lightly tightening the seatbelt if the entry speed into corners is too high.

A new Pre-Safe Child function tensions the seatbelt and inflates impact-protection elements around the child seat before an impact, reducing the loads acting on the child. This function is able to monitor the seat installation and the child’s vital signs.

Outside, the safety-research vehicle features digital surfaces incorporated into the grille, rear window and roof. Developed in a program aimed at building people’s trust in automated vehicles, these digital surfaces communicate directions and other vital information as well as warn other road users and pedestrians of impending danger, even when parked.

Another new development heavily tipped to appear on next year’s all-new S-Class is Mercedes-Benz’s so-called Digital Light – high-definition headlamps with a resolution of more than 2 million pixels that are claimed to be dazzle-free.

A further future safety function being tested by Mercedes is a small robot that doubles as a warning triangle to secure accident sites or breakdowns. It deploys from the rear and positions itself at the side of the road. An additional warning triangle folds out of the roof.

A potentially life-saving innovation is the Pre-Safe Impulse Rear. It monitors when vehicles are approaching from the rear and can autonomously move the ESF 2019 forward if an impending impact is detected, provided there is space to do so.

The project draws on more than 50 years of accident research. Previous experimental vehicles have previewed functions in current Mercedes models, including the rear seatbelt airbag and active high-beam assistant first seen on the ESF 2009.

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