HomeEmission Control > SensorsStandard Ignition MAS0291 Mass Air Flow Sensor
Part #: MAS0291

Standard Ignition MAS0291 Mass Air Flow Sensor

⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, C230 and SLK230
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Standard Ignition MAS0291 Mass Air Flow Sensor

The Standard Ignition MAS0291 Mass Air Flow Sensor is designed for precise air measurement in Mercedes-Benz C230 and SLK230 models. This sensor ensures accurate engine performance by monitoring the amount of air entering the engine.

  • Snap fit attachment method for secure installation
  • Female oval connector with one connection point
  • Includes housing made of durable plastic
  • Complete assembly with two bolt holes for mounting
  • Five male blade terminals for reliable electrical connection

Detailed Product Description

The MAS0291 Mass Air Flow Sensor from Standard Ignition is engineered to provide accurate airflow readings critical for engine management systems in Mercedes-Benz C230 and SLK230 vehicles. Featuring a snap fit attachment method, this sensor allows for straightforward installation without compromising stability. The sensor includes a female oval connector with a single connection point, ensuring compatibility with the vehicle’s wiring harness. Constructed with a plastic housing, the sensor is lightweight yet durable, protecting internal components from environmental factors. The assembly comes complete with two bolt holes for secure mounting and five male blade terminals that guarantee a consistent electrical connection.

Common Applications and Issues Addressed

  • Helps resolve engine stalling or rough idling caused by inaccurate air flow readings
  • Addresses poor fuel economy due to incorrect air-fuel mixture
  • Prevents check engine light triggers related to mass air flow sensor faults
  • Improves throttle response and overall engine performance
  • Supports emission control by providing precise air measurement

Installation Notes and Tips

Installation of the Standard Ignition MAS0291 sensor is simplified by its snap fit design, which secures the sensor firmly in place. Ensure the female oval connector is properly aligned before snapping it into position. Use the two bolt holes to mount the sensor securely, avoiding any movement that could affect sensor readings. Verify that the five male blade terminals are clean and free of corrosion to maintain optimal electrical connectivity. It is recommended to disconnect the vehicle battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The MAS0291 Mass Air Flow Sensor undergoes rigorous quality control testing to guarantee proper function in Mercedes-Benz C230 and SLK230 models. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship.

BrandStandard Ignition
Part NumberMAS0291
Attachment MethodSnap Fit
Connector GenderFemale
Connector ShapeOval
Housing IncludedYes
MaterialPlastic
NotesComplete Assembly
Number of Bolt Holes2
Terminal GenderMale
Terminal TypeBlade

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
1999Mercedes-BenzC230N/A
1999Mercedes-BenzSLK230N/A
1998Mercedes-BenzC230N/A
1998Mercedes-BenzSLK230N/A
1997Mercedes-BenzC230N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

00009419480280218081158-08872-1466874-10099A2C59513640DL-3081MA108MA1128

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.