Why the Mercedes EQXX could be the best electric vehicle yet

You will never see this vehicle driving down your local street or highway. But the Mercedes-Benz Vision EQXX is an electric vehicle that has been developed to push the boundaries further than any car before. The EQXX is a design study that Mercedes-Benz engineers and designers worked on to develop the most efficient electric vehicle possible. Needless to say, the results are intriguing.

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What is the Mercedes-Benz EQXX?


Architecture Mercedes-Benz Vision EQXX

The Mercedes-Benz EQXX is somewhere between a concept and a production vehicle. This spaceship-like car is a four-door coupe that appears to be paving the way for Mercedes-Benz’s EQ-branded luxury electric vehicles. The EQXX is a design study and engineering project to build the most ambitious battery-electric road car to date.

Mercedes-Benz believes that it is not performance that will dictate the evolution of the electric vehicle, but efficiency. In the same way we judge current combustion road cars by their miles per gallon, we will judge electric vehicles by miles per kWh in the near future.

So the EQXX was designed and developed to be the most efficient electric vehicle to date.

Mercedes-Benz EQXX: the teardrop design


Mercedes-Benz Vision EQXX Rear

The EQXX is a compact 4-door coupe model that looks more like a spaceship than a car. Although it looks like a large vehicle, it is not. Its wheelbase is comparable to that of the current C-Class sedan, but it adopts a new style that is much more attractive and sleeker than the questionably styled EQS electric S-Class.

The EQXX presents a new face, unlike any other Mercedes before it. The front-end design is flush and features an LED light bar like most modern EVs. The sleek, streamlined headlights have also been designed to resemble the 3-pointed star. Also, the Mercedes badge is placed on top of the bonnet, rather than the grille, as naturally there isn’t. On the sides, the car gets flush door handles and 20-inch lightweight magnesium alloy wheels with a flush hubcap.

To give it the aerodynamically efficient teardrop shape, the EQXX gets a long-tail design that puts the McLaren 675LT to shame. We reckon the EQXX’s best viewing angle is from the rear.

Mercedes-Benz EQXX: efficiency goals


Mercedes-Benz Vision EQXX Sunroof

The ambitious goal of the Mercedes-Benz engineers for the EQXX was to make it efficient above all else. It uses a 100 kWh battery, which is 8 kWh less than the top of the range EQS. However, the battery is 30% lighter, having shaved off 1,058 pounds.

To achieve this, Mercedes called on the team working on the F1-powered AMG One hybrid hypercar. The battery uses a higher dose of silicone on certain components which help the battery cells store more energy. As it requires fewer cells to carry the same energy, the EQXX’s battery is also half the size of the EQS’ 108kWh pack. This is the same size as the battery used in the small Mercedes EQA. While the EQA uses a 420v system, the EQXX uses a 900v system. This would allow it to recharge even faster. Mercedes-Benz says it could be compatible with 300kW DC charging.


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Mercedes-Benz EQXX: the results of hard work


Mercedes-Benz Vision EQXX wind tunnel

Thanks to its sleek aerodynamic design with a drag coefficient of only 0.18 cd, the EQXX is even more slippery than the EQS. Due to heavy use of carbon fiber in the body, the EQXX weighs 3,800 pounds. The EQS weighs over 5,000 lbs. The active rear diffuser also helps stabilize the EQXX at high speeds.

Due to its lightweight, low-drag design, the EQXX has a claimed range of 620 miles, hitting the magic number of 1,000 miles on a single charge. For reference, it boasts 215 miles more than the Tesla Model S and 165 miles more than the EQS. Focused on efficiency, not performance, the EQXX uses a powerful 204hp electric motor. However, to save energy from its main batteries, the roof of the EQXX is lined with 117 solar panels. They would help power ancillary components such as the air conditioning, electronics and the massive full-width, yet highly efficient 8K infotainment system. If the roof gets enough sunlight, Mercedes-Benz says the solar panels can add 15 miles of range to the EQXX per day.


Mercedes-Benz EQXX: vision of the future


Mercedes-Benz Vision EQXX Interior

Of course, the interior is vegan with faux leather, synthetic silk door handles, bamboo fiber carpets and plastic panels from recycled PET bottles. But the insulation inside uses chicken bones, so think about it however you want.

The EQXX won’t be a car you’ll find on the road, as it won’t go into production. The vehicle is a design study that will allow them to take inspiration from the future style of the model. While engineers can use the technology for the brand’s future electric vehicles, making them more efficient for the masses. In the future battle for efficiency, Mercedes-Benz seems to have the upper hand with the development of the Vision EQXX.


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