What could be called a major breakthrough in the sphere of electric vehicles, Mercedes-Benz claims to have launched the “world’s first solid-state battery vehicle from a global OEM.”
The German automaker has unveiled that a prototype EQS, equipped with a solid-state battery developed in collaboration with US startup Factorial Energy, has begun real-world testing.
“Mercedes-Benz engineers from the road and racetrack and Factorial cell engineers have worked together on delivering an all-new solid-state battery test program, which has brought the first car powered by a lithium-metal solid-state battery to the road,” said the automobile giant in a press release.
This is a major milestone in the transition from laboratory experiments to practical applications.
“The first laboratory vehicle tests were already conducted in Stuttgart at the end of 2024 to prepare for the road tests that started in February 2025,” added the press release.
The prototype EQS is projected to deliver an impressive 620 miles (1,000 kilometers) of range, based on WLTP testing. This represents a more than 25% improvement over the current EQS 450+ model.
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