Mercedes-Benz Air Flow Meter 0280217500 Original Replacement Quality, Precise Intake Measurement

Mercedes air flow meter (part number 0280217500) installed between the intake pipe and air filter; measures intake air mass and relays data to the ECU to optimize fuel delivery and ignition timing for best star ratio. Compatible with many Mercedes models; OEM replacement quality; also compatible with 0280217500, 0280217501, and 0000940548. Replacement difficulty moderate; labor about 0.5–1 hour. If symptoms include rough idle, weak acceleration, abnormal fuel consumption, or engine warning light, the mass air flow sensor is likely faulty.