MAHLE GmbH engages in the manufacture, sale, and distribution of pistons and engine components. It operates through the following segments: Engine Systems and Components, Filtration and Engine Peripherals, Thermal Management, Electronics and Mechatronics, and Aftermarket. The Engine Systems and Components segment develops piston systems and cylinder components in two-wheeled vehicles, passenger cars, commercial vehicles, and large engines. The Filtration and Engine Peripherals segment manufactures filters, pump systems, as well as oil coolers for engine and transmission applications. The Thermal Management segment focuses on the electrification of powertrain and thermal management of batteries. The Electronics and Mechatronics specializes in powertrain and e-mobility, such as electric drives, actuators and auxiliaries, as well as control and power electronics. The Aftermarket segment offers engine parts, filters, turbochargers, and mechatronics components, as well as products for thermal management, vehicle diagnostics, exhaust gas analyzers, and service equipment for HVAC systems and automatic transmissions maintenance. The company was founded by Hermann Mahle on December 1, 1920 and is headquartered in Stuttgart, Germany.