Mercedes C240 C320 E320 Mass Air Flow Sensor Meter MAF #0280217515 0280217516 1120940048 Brand New Replacement Mass Air Flow Sensor ( MAF ) Bosch Ref. # 0 280 217 515, (0280217515) & 0 280 217 516(0280217516) Mercedes OEM Ref. # 112 094 0048(1120940048) This MAF has a 5 pin connector