Mercedes-Benz C-Class W203 (Engine 271 Kompressor) Air Flow Sensor Description:

The air flow sensor, also known as the Mass Air Flow (MAF) sensor, is an essential part of the engine’s air intake system. It measures the exact amount of air entering the engine so the ECU (Engine Control Unit) can adjust fuel injection and ignition timing for optimal combustion.

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Component Details:

• Location:
  Mounted between the air filter box and the intake manifold hose.
• Type:
  Hot-film type MAF sensor (Bosch type, commonly part number A271 094 02 48 or similar).
• Material:
  Plastic housing with integrated electronic sensor module.
• Connection:
  4-pin or 5-pin electrical connector linked to the ECU.

⚙️ **Function: