奔驰SMART专用燃油泵总成A4514700094，原厂孔位直接安装

Mercedes-Benz Smart family fuel pump assembly, original part number A4514700094; factory-matched mounting holes allow direct replacement without modifications. Delivers fuel under pressure to the engine to ensure proper air-fuel balance and smooth starting. Installation difficulty: medium; typical service time about 1.5 hours. Pay attention to fuel tank sealing and electrical connector cleanliness. If starting is difficult, acceleration weak, or fuel gauge is inaccurate, the fuel pump replacement is usually required.