DELPHI Mass Air Flow Sensor AF10505-12B1

Compatible with MERCEDES-BENZ A-CLASS (W169) , SMART FORFOUR (454) , MERCEDES-BENZ B-CLASS Sports Tourer (W245) Show more info
Measures the amount of air entering the engine for optimal fuel mixture. Ensures efficient combustion and performance.
110.39 EUR
inc. VAT 21%
In stock 8
Delivery 1 day (15.05.2026)
PN AF10505-12B1
Make DELPHI
EAN 5012759992524

This DELPHI Mass Air Flow (MAF) Sensor, part number AF10505-12B1, is engineered to accurately measure the volume and density of air entering the engine's intake system. By providing precise data to the engine control unit (ECU), it allows for the correct calculation of fuel injection, leading to improved fuel efficiency and reduced emissions. Proper functioning of the MAF sensor is crucial for maintaining engine performance. A faulty sensor can lead to issues such as rough idling, hesitation during acceleration, poor fuel economy, and illuminated check engine lights. This DELPHI sensor is designed to meet or exceed original equipment specifications, ensuring reliable and consistent performance. Installation of this sensor will help restore your vehicle's intended performance and drivability. It is a direct fit replacement for the original part, simplifying the repair process. Trust DELPHI for quality components that keep your engine running smoothly.

  • Direct-fit OE replacement for proper fitment.
  • Accurately measures airflow into the engine.
  • Optimizes fuel-air mixture for efficient combustion.
  • Helps improve fuel economy and reduce emissions.
  • Restores engine performance and drivability.
  • Designed for durability and long service life.
  • Meets or exceeds original equipment standards.
Housing type
with housing
Number of pin contacts
4
Type of connector
Connector plug
Voltage [V]
1/2"
recommended repair extension
Air filter
  • MERCEDES-BENZ
    • A-CLASS (W169)
      • A 200 CDI (169.308, 169.008) (100kW/136PS)
      • A 160 CDI (169.006, 169.306) (60kW/82PS)
      • A 180 CDI (169.007, 169.307) (80kW/109PS)
      • A 200 CDI (169.008, 169.308) (103kW/140PS)
    • B-CLASS Sports Tourer (W245)
      • B 180 CDI (245.207) (80kW/109PS)
      • B 200 CDI (245.208) (103kW/140PS)
  • SMART
    • FORFOUR (454)
      • 1.5 CDI (454.000) (50kW/68PS)
      • 1.5 CDI (454.001) (70kW/95PS)
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