The Maybach high-performance show car 'Exelero' was unveiled to the world for the first time in the Tempodrom in Berlin.
The 700-hp two-seater wîth a V-12 biturbo engine is a unique custom model produced for Fulda Reifenwerke, which is using the Maybach Exelero as a reference vehicle for a newly developed generation of wide tyres.
The German manufacturer of luxury cars built the unique model as a modern interpretation of its legendary streamlined sports car from the 1930s, thereby forging a link wîth the historical predecessor, which at that time was likewise based on a powerful Maybach automobile (SW 38) and used by Fulda for tyre tests.
The Exelero embodies the highest expression to date of the Maybach individualisation strategy of offering specific custom solutions on request. In initial tests on the high-speed track in Nardo (Italy), the unique vehicle reached a top speed of 351.45 km/h (FIA*-standard unit of measurement).
Developers at Maybach designed the custom model wîth the participation of students from Pforzheim College.
The Exelero was built by the prototype specialists at Stola in Turin (Italy). There are no plans to produce the model in seriesSource - Maybach / DaimlerChrysler AG
The project Exelero - the legend lives
The reinterpretation of automobile and tire technology of the ultra-high performance partners Maybach and Fulda
Just imagine an automobile that combines the elegance and first-class quality of a high-end limousine wîth the powerful suppleness of a sports coupé. Create a vehicle in your mind's eye which, wîth an unladen weight of over 2.66 tons and the dimensions of a small transporter, achieves a maximum speed of over 350 km/h. Conceive an ultra-high performance tire which not only copes wîth the aforementioned weight, the dimensions and the speed, but also makes the automobile safe, stable and comfortable. Such a vehicle and such tires do not exist? Now they do. Always something special
For 99 years, Fulda has been making car tires. For most of this time, the company has advertised its products wîth special vehicles. Luxury buses, advertising vehicles wîth special bodies, high-speed buses for tire tests, a whole series of showtrucks, racing cars and - in the 1930s something quite special - streamlined car from the Maybach company which could conduct tire tests at speeds of over 200 km/h.
Únfortunately, not for too long, because the test car designed in 1938 and delivered in 1939 disappeared during the war years and never reappeared again.
66 years later: Fulda is introducing a new sophisticated high-tech tire to the market. For the most extreme dimension of this tire line, 315/25 ZR 23, licensed for speeds of more than 350 km/h, and that as a series tire, not a racing tire, what was needed was a high-speed vehicle but not a racing car. A few years ago, one the most exclusive German automobile makes was revived, why not organize a joint project together once again, just like in the old days?Cooperating wîth Maybach
The contacts were made and thanks to René Staud, a world-class photographer of automobiles and an outstanding 'networker' of DaimlerChrysler and Fulda Reifen, they were purposefully and effectively developed. Following several coordinating discussions wîth Leon Hustinx, Maybach's manager, agreement was reached: Maybach would build a car for Fulda. Objective: to position the vehicle as an impressive ambassador for the new ultra-high performance tire generation Exelero. An indispensable helper in the boat wîth the project partners: two professors and four students from Pforzheim Polytechnic's Dpartment of Transport Design. Together wîth the design professionals from DaimlerChrysler, under the direction of Professor Harald Leschke, the team went to work and after three-quarters of a year of promising design proposals, it was decided to realize the outline of the student Fredrik Burchhardt. He succeded in producing the most elegant symbiosis of design elements of former and present vehicle generations.The model phase starts
Three model construction phases in the manufacture of a special vehicle are decisive in the development process:
- the exterior design reference model (for the construction of the negative molds)
- the interior reference model and
- the chassis order wîth auxiliary frame.
Based on detailed and strict time schedules, all three phases were realized simultaneously. The well-known Italian vehicle study manufacturer Stola in Turin was commissioned by DaimlerChrysler to build the Exelero. The sports coupé was also now given its final project name: Maybach Exelero.
On 31 May 2005 everything was ready. All three phases were completed. The 1:1 model for the exterior had been tested in the wind tunnel many times, modified and adapted. The interior details were fixed: natural leather, neoprene, coated punched aluminum sheet as well as carbon fiber in glossy black and red are the main materials. And the technicians who worked on the vehicle had arranged, rebuilt and made ready for use all the functions and the parts needed for this. Dipl.-Ing. Jürgen Weissinger, the responsible project technician and development manager at Maybach, connected the battery, turned the ignition key and the car growled into life. The short burst of gas suggested record speeds.The construction and test phase concluded wîth a outstanding success
Transforming a limousine, the basis for the Exelero is the Maybach 57, into a coupé is extremely demanding. Jürgen Weissinger and his team were astonished to find that, although the dimensions of the former SW 38 differed in the length (the Maybach 57 has a 290 millimeters longer wheelbase), in terms of breadth and height they were very similar. That simplified a whole series of structural measures.Source - DaimlerChrysler
When considering the engine alternatives, it soon became clear that the basic twelve-cylinder engine used in the Maybach limousines would not achieve the desired maximum speed of around 350 km/h despite the Biturbo turbo charger. Here, the Mercedes Car Group leapt into the breach. The engine specialists in Úntertürkheim, the place where all basic engines are developed, provided energetic support for the project.
After several optimization of the Maybach type 12 engine, the cubic capacity was increased from 5.6 to 5.9 liters and the turbo charge optimized. The result was convincing: on the test bed almost 700 hp and at least 1,000 newton meters of torque were recorded, sufficient to achieve the targeted maximum speed of 350 km/h.
Before, during and after the aforementioned work, the individual evolutionary steps were supported by corresponding tests. Either on engine test beds in the plants or on test tracks like the high-speed oval in Nardo/Southern Italy or the test track in Cloppenburg.
The final test measurements at the end of April/beginning of May 2005, once again on the high speed Motodrom Nardo, then produced the well-earned success of lost of hard work: a top speed of 351,45 km/h - a world record for limousines – on standard tires.
And yet another world record: between the Fulda idea, the outstanding cooperation of all concerned and the delivery of the Maybach Exelero sports coupé, just 25 months passed.
Thanks to all cooperation partners
Yet again in Fulda Reifen's company history, a cooperation has led to an exceptional final result: a top-class product like the Exelero ultra-high performance tire is matched by an exceptional vehicle, unmatched anywhere else in the world, the Maybach Exelero sports coupé.
The result can never be the product of just one individual, only within the framework of a partnership at the highest level and the uncompromising efforts of all concerned can such a project succeed. The Fulda project team under the direction of Bernd J. Hoffmann, Chairman of the Board of Management, would hereby like to thank everyone involved, particularly the responsible persons at
- DaimlerChrysler/Maybach, Sindelfingen (design, Product Communication, engineering and engine construction)
- Stola, Turin/Italy (prototype construction)
- Pforzheim Polytechnic (Department of Transport Design), Pforzheim
- René Staud and his company MEM Motor Event Marketing, Leonberg
- Excentric/ATP-Felgen, Bremen
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