The new F 600 HYGENIUS is the latest in the series of sensational research vehicles from Mercedes-Benz that point the way forwards for the future. Powered by a zero-emission fuel cell drive with an output of 85 kW/115 hp, the compact-class car with a family-friendly design consumes the equivalent of 2.9 litres of fuel per 100 kilometres and has an operating range in excess of 400 kilometres. The performance and cold start characteristics of the groundbreaking drive unit have also undergone considerable improvement.

  • 2005 Mercedes F 600 HYGENIUS
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"This represents a major step towards bringing the fuel cell drive up to full production maturity, a goal that we aim to achieve some time between 2012 and 2015," comments Dr. Thomas Weber, DaimlerChrysler AG Board Member for Research & Technology and Head of Development at the Mercedes Car Group. "By developing the fuel cell, we are creating a new basis for supplying energy in tomorrow’s vehicles which will make a further lasting improvement to their environmental compatibility." In addition to the fuel cell technology, the Mercedes-Benz research vehicle also showcases a novel new operating concept with virtual displays and new-style seats, along with other pioneering technologies designed to enhance safety and passenger comfort.

Fuel cells use the chemical reaction between hydrogen and oxygen to generate electrical power in a process that produces no emissions. Professor Herbert Kohler, Director of Vehicle Body and Drive Research at DaimlerChrysler: "We have made some crucial advances to this trailblazing technology. Despite being around 40 per cent more compact than previously, the fuel cell in the F 600 HYGENIUS now runs more efficiently than ever and is notable for its good cold-start capabilities. This has been achieved thanks to the inclusion of innovations such as the redesigned fuel stacks, the electric turbocharger for supplying air and an all-new humidification and dehumidification system."

The F 600 HYGENIUS achieves a maximum power output of 85 kW/115 hp combined with a peak torque of 350 Newton metres. The fuel cell drive alone generates a constant power output of 60 kW/82 hp and a torque of 250 Newton metres.

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With any surplus energy being stored in a powerful lithium-ion battery, the system acts in a similar fashion to a hybrid drive, selecting the best power source to use depending on the driving situation. When parking or manoeuvring, for instance, the electric motor draws its power from the battery alone, while both fuel cell and battery feed it with energy in unison when the vehicle is accelerating, producing the peak power output of 85 kW/115 hp.

The electric motor doubles as a generator that charges the battery during vehicle braking by recuperating drive energy.

The drive technology, the high-voltage battery and the hydrogen tank have all been housed in a space-saving manner beneath the occupant cell, while the high-torque electric motor - which is also a new development from Mercedes-Benz - has been integrated into the rear-axle carrier. The lithium-ion battery is featuring for the first time in a fuel cell vehicle from Mercedes-Benz and is a further key factor in the increase in power.

Mobile power station supplies energy both at home and away

As well as generating clean energy to drive the research vehicle, the fuel cell can also serve as a mobile power source: its 66 kW of electrical power would be quite sufficient to keep several detached houses supplied with power.

Passengers aboard the F 600 HYGENIUS also stand to benefit from its extraordinary energy reserves: the cup holders which use electrical power from the fuel cell to keep drinks chilled or hot are just one example of this. The fuel cell’s energy also allows electrical devices to be operated anywhere at the standard voltage level - following onboard conversion - granting the occupants total independence from the mains network on family outings or business trips. All they have to do is connect the device to a power socket in the tailgate.

Compact-class car boasting luxury-class spaciousness

The four-door F 600 HYGENIUS also makes a mark for itself when it comes to comfort and versatility. Despite the body’s compact length of just 4348 millimetres, the levels of space inside are impressive, even by luxury-class standards. The distance between the front and rear seats - a useful indicator of the freedom of movement and spaciousness - measures 945 millimetres, and can be extended by up to a further 400 millimetres thanks to the sliding design of the individual rear seats. This puts the research vehicle’s comfort dimensions on a par with those found in exclusive luxury saloons.

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Seating concept offering families the versatility they are looking for

A host of ingenious design solutions make the F 600 HYGENIUS an ideal family car. Take the child and family-friendly design of the seats, for example: the front passenger seat and the individual seats in the rear incorporate a new technology allowing the backrest to be used either way around. The backrests can be swung forwards and reversed in such a way that ISOFIX child seats can be locked into place on the seat cushions in a rearwards-facing position. The face-to-face seating arrangement boosts safety at the same time as making it easier to attend to young children en route, with the additional fore-aft and crossways adjustment of the rear seats allowing infants to be reached easily from the nearside rear seat.

Adjustable backrest cushioning encourages a relaxed and healthy posture

Mercedes-Benz has devised a revolutionary new seat for the driver featuring a two-piece backrest cushion whose height, width and tilt can be adjusted to the contours of the occupant’s body by means of electric motors, and which offers a particularly high level of support in the midriff area. The backrest itself has a flexible mounting that allows it to follow the upper body movements and minimise the strain on the intervertebral discs, regardless of the seat position. If, for instance, the driver tilts the seat further back, the lower section of the backrest cushioning automatically pivots forwards to support the pelvic area.

Two-piece tailgate and picnic seating in luggage compartment

The tailgate of the F 600 HYGENIUS has a two-piece design offering maximum practicality. If space is at a premium, a push of a button opens the tailgate automatically, with the lower section folding inwards so that the tailgate swings through a much tighter arc as it opens. As this is happening, the rear bumper drops down, pulling out the floor plate of the luggage compartment at the same time to simplify loading.

When parked in a lay-by, a picnic area or at the beach, the movable luggage compartment floor can be converted into a cosy seating facility that’s protected from the elements. Two extending fabric panels can be pulled out from underneath the floor plate and hooked into the roof liner overhead, allowing them to serve as temporary back supports for two people.

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The front doors of the latest Mercedes research vehicle emulate the space-saving styling of the tailgate with a technology that is designed to make getting into and out of the vehicle as easy and convenient as possible when parked in tight spaces. An ingenious new mechanism swings the doors upwards at a slant, meaning that they take up less space to the side when opening than conventional car doors. Gas-filled struts are able to hold the door open in any position.

Video cameras for leaving the vehicle and changing lane safely

Cameras integrated into the housings of the exterior mirrors keep an eye on traffic to the side of and behind the F 600 HYGENIUS, even when it is parked. If another car or a bicycle is approaching from behind, the system will automatically disable the doors for a brief period to avoid the risk of a collision when they are opened. A warning signal sounds at the same time inside the F 600 accompanied by a red danger symbol that illuminates in the mirror glass.

Out on the road, the video system monitors the blind spot of both exterior mirrors and warns drivers about to change lane if a vehicle is approaching from behind.

Two-level operating concept with sophisticated new user recognition facility

In order to allow the vast multitude of functions to be operated quickly, intuitively and, most importantly, safely, the engineers at Mercedes have devise a concept based on the proven operating principle used in the new Mercedes-Benz S Class. This concept helps to minimise driver distraction, which in turn benefits driving safety.

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As in the Mercedes flagship model, buttons in a control panel in the middle of the dashboard serve to operate the most commonly used systems, such as the radio, air conditioning, car phone and navigation. These buttons can be easily reached by both the driver and the front passenger. The push/turn control knob in the centre of the control panel can automatically detect whether it is being operated by the driver or the front passenger, enabling both to program their personal climate control settings.

This intelligent user recognition facility is based on the electrical signals transmitted in the skin: the instant the front passenger touches the push/turn control knob in the centre, a data circuit closes between the control knob and a sensor mat in the seat cushion, switching the display to the settings for the front passenger side. The COMAND screen in the centre of the dashboard can be swivelled to the side at the push of a button, to give the front passenger an even better view of it and prevent the driver from becoming distracted.

Advanced operating functions are the task of the COMAND controller, which was first developed for the new S-Class. It extends out of the armrest between the two front seats whenever required and allows straightforward navigation through the COMAND system’s control menus.

Virtual displays for fast vision adjustment

The images on both high-resolution colour displays in the dashboard are diverted by means of two mirrors before being projected to appear at a point 1.40 metres in front of the driver. This leading-edge virtual display technology from Mercedes-Benz represents a key improvement to driver-fitness safety as it shortens the time required for drivers to switch their gaze from what’s taking place on the road far ahead to the close-up instrument cluster display. Scientific studies have confirmed that, with this technology, the driver’s eyes do not have to constantly adjust between close and long range so they do not tire as quickly.

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High-power light-emitting diodes for all lighting functions

Headlamps with high-power LEDs enhance the driver’s night-time vision and help to avoid accidents. The LEDs are distributed over three projector modules which spread the light beam evenly over a wide area. The light module in the centre is activated as required, depending on the driving situation, and also assumes additional functions, such as main beam, the Active Light System and the cornering light. All of the various lighting features are performed simply by switching individual LEDs on and off electronically, thereby eliminating the need for moving components, such as those currently fitted for the Active Light System. Mercedes-Benz has also used LED technology for the brake lights and tail lights. In emergency braking situations, flashing brake lights provide an early warning to drivers behind, reducing the risk of them ramming into the back of the car.

Preventive PRE-SAFE® system with knee protection plus new head restraints

The preventive occupant protection system PRE-SAFE®, which was first premiered in the Mercedes-Benz S-Class in 2002, will continue to be expanded by Mercedes engineers in future. Two additional anticipatory protective functions have been incorporated aboard the F 600 HYGENIUS: active knee protection to brace the front passenger plus head restraints with automatically extending side bolsters to hold the head still. These new features are triggered together with the other PRE-SAFE® measures prior to an impending accident, to prepare both occupants and vehicle for a collision. In the event of an impact, the seat belts and airbags are able to protect the occupants as effectively as possible; if an accident is averted at the last minute, the reversible PRE-SAFE® systems return to their inactive state.

Successful transfer from research into series production

Mercedes-Benz has unveiled eleven research vehicles in all since the start of the 1980s. This series of sensational vehicles - from Auto 2000 in 1981 right up to today’s F 600 HYGENIUS - documents the tremendous dedication and foresight with which the Stuttgart-based automotive manufacturer investigates core topics in the field of passenger car technology and pioneers new solutions for the future.

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Many of the systems which are now everyday series-production features seemed futuristic when they were first revealed in one of the research vehicles many years earlier. DISTRONIC proximity control is just such a system. It made its first appearance in the F 100 in 1991 and made its series-production debut just seven years later in the S-Class. The Active Body Control system now fitted in today’s CL-Class, S-Class and SL-Class models is another prime example of technology being transferred successfully from research to series-production vehicle, as are windowbags, the Active Light System, voice-operated control and the carbon-fibre bodyshell. The new F 600 HYGENIUS is set to perpetuate this trend as its speeds a drive technology for the future towards development for series production.

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