Mercedes-Benz is serious about electric vehicle efficiency, and the company is proving that with its electric car concept.
The car traveled from the south of Germany to the south of France on a journey of over 600 miles. The journey was undertaken at regular road speeds, including a long 140 km/h cruise on the German Autobahn, and at a variety of weather conditions.
The car had a 15 percent battery state of charge at the end of the trip, which would have been good for another 140 kilometers. The average consumption of the car was a record low of 8.7 kWh per 100 kilometres.
The aerodynamic shape combined with battery efficiency gives this car more than 600 miles of real-world range. Credit: Mercedes-Benz
With our successful road trip to the South of France, we have shown that efficiency is the new currency. Our new collaborative development process uses many learnings from the Mercedes-AMG F1 team and its cutting-edge expertise in electric powertrains. The limits of what is possible will be tested with the VISION EQXX.
The Vision EQXX is a futuristic concept with a focus on aerodynamics and battery efficiency. Its stellar range should be further improved with roof solar panels.
Mercedes-Benz shared some details on how it did it. At motorway speeds, the car's extremely low drag coefficient of just 0.17, as well as the specially developed Bridgestone tires, helped keep the Vision EQXX from draining its battery too fast. The lightweight construction of the car helped conserve energy. The solar roof and the regenerative braking helped recover some of the energy from the batteries.
It is not known how well these numbers hold when the Vision EQXX is turned into a vehicle. There is no word on when that will happen.
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