Genuine OEM Mercedes-Benz Adblue Injector Nozzle, part number A0004904100. This component is responsible for injecting AdBlue fluid into the exhaust system as part of the Selective Catalytic Reduction (SCR) process, reducing harmful emissions. It is a precision-engineered part for accurate fluid delivery. Genuine OEM Adblue injectors ensure proper function of the emissions system and compliance with regulations.