Genuine OEM Mercedes-Benz Fuel Injector Nozzle, part number A0000785823. This injection nozzle is a critical component of the fuel system, precisely delivering fuel into the engine's combustion chamber for optimal combustion. It is designed to ensure accurate fuel atomization and flow rate, which is vital for engine performance, fuel economy, and emissions control. Genuine OEM fuel injector nozzles are manufactured to exact tolerances for reliable operation and longevity.