Core Viewpoint - Mercedes-Benz has successfully tested a solid-state battery prototype in its pure electric EQS, achieving a remarkable range of 1205 kilometers on a single charge, surpassing the previous record of 1202 kilometers set by the VISION EQXX in 2022 [1][3] Group 1: Testing and Performance - The solid-state battery-equipped EQS test vehicle traveled from Germany to Sweden, covering 1205 kilometers under various climate and road conditions, with a remaining range of 137 kilometers upon arrival [1] - The solid-state battery developed by Mercedes-Benz's passenger car team and HPP team utilizes sulfur-based solid electrolyte technology, achieving an energy density of 450 watt-hours per kilogram and enhancing range by 25% [1][2] Group 2: Industry Developments - Other automakers, such as BMW, are also advancing solid-state battery technology, with the BMW i7 starting real-world testing in May 2023, featuring a battery cell developed by Solid Power [3] - Both Mercedes-Benz and BMW are on track to bring solid-state battery technology to mass production, with Mercedes-Benz aiming for commercialization within five years and BMW targeting 2028 for its solid-state battery models [3]