The emerging battery technology promises longer range, faster charge speeds, and is production feasible. Mercedes-Benz is testing a prototype EQS electric sedan fitted with a semi-solid-state battery pack co-developed with its Formula 1 powertrain subsidiary,

German carmaker Mercedes-Benz claims to have become the first carmaker in the world to drive a car powered by a lithium-metal solid-state battery

Mercedes-Benz is taking a major leap in EV technology with road tests of a new solid-state battery for the EQS, promising up to 621 miles of range. The EQS,

Mercedes is developing solid-state batteries with the aim of having the technology ready by the end of the decade.

Mercedes-Benz and American battery start-up Factorial Energy have developed a prototype EQS equipped with a solid-state battery. The companies claim it's the "world's first solid-state battery vehicle from a global OEM." It’s already out on the road doing test runs.

Mercedes-Benz announced it has begun testing solid-state battery technology on public roads. Widely regarded as the next big thing for electric vehicles (EVs), solid-state batteries are claimed to be safer,

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.

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 testi