Walker 245-1247 Mass Air Flow Sensor

Walker Mass Air Flow Assembly for Mercedes-Benz C230

Walker Mass Air Flow Assembly 245-1247 is a direct-fit mass air flow sensor assembly for select 2003-2005 Mercedes-Benz C230 models. It is built with a female 5-terminal connector and includes the housing for a complete sensor assembly replacement.

Key Features

• Mass air flow sensor assembly for emission control and engine management applications
• Fits 2003-2005 Mercedes-Benz C230
• Housing included for a complete assembly-style replacement
• Female connector with 5 terminals
• Walker part number 245-1247
• Cross-references Delphi AF10338 for the same application

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The Walker Mass Air Flow Assembly line is built for accurate vehicle application coverage and dependable replacement of the original sensor assembly. Part number 245-1247 is listed for Mercedes-Benz C230 models from 2003 through 2005 and is a practical choice when replacing a worn or failing mass air flow sensor assembly on these vehicles.

For Mercedes-Benz C230 owners searching for a Walker mass air flow sensor, Walker 245-1247 provides the correct connector style and housing configuration for the listed application. It is also referenced against other aftermarket numbers, including Delphi AF10338, for the same fitment.

Common Problems This Part May Address

• Rough idle caused by inaccurate airflow readings
• Hesitation or poor throttle response during acceleration
• Check engine light related to air metering or sensor performance
• Reduced fuel economy from incorrect air-fuel calculations
• Driveability issues tied to a failing mass air flow assembly

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. This assembly uses a female 5-terminal connector and does not include mounting hardware. For best results, inspect the intake tract, air filter, and related wiring before replacing the sensor so the new unit can read airflow accurately.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with internal engineering and product support used to maintain application accuracy and part quality.