The Mercedes Vision EQXX concept completes the 626-mile journey on a single charge

After unveiling at the Consumer Electronics Show in Las Vegas earlier this year, Mercedes’ Vision EQXX concept – an experimental bed for future electric car technology – has traveled 1,008km (626-miles) on a single charge, providing the brand with a full battery. To distribute more than 1,000 km (621 miles).

On April 5 the car traveled between the southern coasts of Germany and France, crossed the Alps, and by the time it reached the Mediterranean it had more than 140km (87 miles) of EQXX battery left, proving the brand’s focus on efficiency in each case. .

Showing the 15 percent charge remaining when it arrives, that means the Vision EQXX would be good for a 1,150km, real-world range of about 715 miles. This number could be even higher if it is done through official WLTP certification, the brand’s chief technology officer, Marcus Schaefer, told Auto Express.

“This is the most efficient Mercedes-Benz in 150 years,” he said. “Internally, we were joking that our landing on Mars, EV, has set a world record. We’ve set new standards and milestones, and now we’re implementing what we’ve learned and the components of the series production over the next few years. “

According to Schaefer, the car reached a speed of 140km / h (87mph) on the German part of its foot, with an average speed of less than 90km / h overall (about 56mph). EQXX had to cross the Alps, which outlines the Mercedes Axis as a real-world trip; Upon reaching Cassis, the car achieved a power consumption of 7.14 miles per kilowatt hour – before its target of six m / kWh – which surprised Schaefer in a positive way.

“We were sitting in a traffic jam and there was a construction area that didn’t count [on the simulation runs] So I think we had everything that real life would offer you every day and no particular driving style. We really wanted to get something that reflects what’s happening in the real world, because we want to bring this technology into series production and see the same results, “he said.

The first glimpse of this technology we will see in Mercedes production in 2024 when the company will unveil new models based on its upcoming MMA platform. Schafer tells us that batteries, e-motors, EQXX’s inverter and some ‘bionic engineering’ cast metal parts will be featured in future series production cars, so there will be a big carry from this test testbed.

The Vision EQXX’s range – usually double the current premium EV – but doesn’t come from a larger battery. Instead, the four-seater family car takes the range and efficiency to a whole new level [by] Redesigning the basics from the ground up using “lightweight materials and relatively conventional sized batteries”, according to Mercedes, allows the Vision EQXX to “go further with less.”

The car is powered by a newly designed battery “that holds about 100kWh”, as detailed by Mercedes’ official specification. The battery consumes 50 percent less volume and is 30 percent lighter than the firm’s EQS electric limousine pack, weighs about 495 kg and is built in conjunction with the Mercedes-AMG F1 team. The EQXX uses more than a 900v electrical architecture and weighs approximately 1,750kg.

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Developed extremely fast to focus on software and digital engineering, with EQXX it took just 18 months to get ‘off the road’ from a clean sheet of paper. Mercedes says the car is “the result of an ongoing program that provides a blueprint for the future of automotive engineering.”

Compared to the firm’s current EV line-up, the power output of the Vision EQXX is relatively moderate at around 201bhp. Performance statistics have not been confirmed, although Power Electronics Unit firm’s AMG Project One is closely related to the Hybrid Hypercar.

Acceleration periods are not the main focus of program development, but the larger goal of the project with range and efficiency. The vehicle’s maximum cruising range is aided by a new electric drive system – also developed in conjunction with the F1 team – that boasts 95 percent efficiency in batteries and wheels. This is the percentage of energy that it produces directly from the car cell on the wheel. In contrast, a conventional combustion-powered vehicle provides only 30 percent efficiency.

According to Joerg Bertel, Mercedes vice president for vehicle engineering and overall vehicle performance, “The electric range sounds simple but it is a complex technical challenge. The easiest way is to install a large battery in the car. However, this reduces the return. Not the smartest route and not the best use of rare resources. With Vision EQXX, we’re presenting the results of a remarkable challenge: we’ve pushed efficiency to a whole new level. And we’ve explored new ways to expand the range of an electric vehicle. “

Aerodynamics has also played a significant role in the performance of the EQXX, with the car achieving a drag coefficient of only 0.17Cd. Mercedes claims that a mere 0.01 reduction would add more than 2.5 percent to the range.

A 50mm narrow track across the rear axle compared to the front plus the heavy taper of the four-door body towards the longitudinal tail is matched by an elongated underfloor and a retractable diffuser that helps the EQXX to dig through the air with less resistance when a wind blows on the front wheel. The wind in the front bumper screen reduces turbulence.

Lightweight Engineering Bespoke EV chassis has expanded into subframes, aluminum alloy brake discs and many 3D-printed components inspired by natural forms designed and engineered for weight removal (up to 20 percent of the material produced but not produced). Power. This is what Mercedes refers to as “bionic engineering”.

Wrap in ultra-low rolling resistance tires with magnesium alloy wheel, 20 inch diameter, optimized aerodynamics. Meanwhile, thin roof-mounted solar panels contribute an additional 25 km (15 miles).

The software-first vision involved in the development of the Vision EQXX includes the car’s battery management system, as well as its in-car technology and user interface, which includes SAT-NAV guidance and a driving assistant to maximize efficiency on offer.

Inside, the technology blends with many recycled and plant-based materials that highlight the project’s focus on sustainability and further reduce EQXX’s carbon footprint. The Vegan interior incorporates a lot of advanced technology, with Mercedes calling it a “neuromorphic” processor. This means that actions are processed into neural spikes, only consuming energy during these spikes, helping to reduce costs and improve efficiency.

An 8k 47.5-inch seamless display covers the entire width of the car’s interior. It features an avatar personal assistant as a ‘road-trip sidekick’ and real-time 3D navigation that uses satellite data that can be zoomed to a height of 10 meters using conventional pinch and swipe gestures.

Now read our review of All-Electric Mercedes EQE …

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