HomeEmission Control > SensorsContinental 5WK9638Z Mass Air Flow Sensor
Part #: 5WK9638Z

Continental 5WK9638Z Mass Air Flow Sensor

3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, C230
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Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Continental Mass Air Flow Sensor for Mercedes-Benz C230

The Continental 5WK9638Z Mass Air Flow Sensor is designed specifically for Mercedes-Benz C230 models. This sensor plays a critical role in monitoring the amount of air entering the engine, ensuring optimal combustion and engine performance.

  • Voltage: 12V for standard automotive electrical systems
  • Color: Black housing for durability and easy identification
  • Terminal Type: Blade terminals for secure electrical connections
  • Connector Quantity: Single connector for streamlined installation
  • Housing Material: Durable plastic construction
  • Terminal Quantity: Four terminals to support accurate signal transmission
  • Terminal Gender: Male terminals compatible with factory wiring harnesses
  • Wiring Harness Included: No, wiring harness must be sourced separately

Detailed Product Description

The Continental 5WK9638Z Mass Air Flow Sensor is engineered to provide precise airflow measurement for Mercedes-Benz C230 vehicles. Its 12-volt design integrates seamlessly with the vehicle’s electrical system. The sensor features a robust black plastic housing that protects internal components from heat and contaminants. Equipped with four male blade terminals and a single connector, this sensor ensures reliable electrical connectivity and accurate data transmission to the engine control unit (ECU). Although the wiring harness is not included, the sensor is compatible with the original Mercedes-Benz wiring harness, facilitating straightforward replacement.

Common Applications and Issues Addressed

  • Helps resolve engine performance problems related to incorrect air-fuel mixture
  • Addresses rough idling and stalling issues caused by faulty airflow readings
  • Improves fuel efficiency by providing accurate air intake data
  • Reduces emissions by enabling proper combustion control
  • Prevents check engine light triggers related to mass air flow sensor faults

Installation Notes and Tips

  • Ensure the vehicle is turned off and cooled before installation
  • Disconnect the battery to avoid electrical shorts during replacement
  • Verify the part number 5WK9638Z matches the original sensor for compatibility
  • Inspect the connector and terminals for corrosion or damage before installation
  • Do not reuse old wiring harnesses if damaged; source a compatible harness separately

Quality Assurance and Warranty

Continental manufactures the 5WK9638Z Mass Air Flow Sensor to meet OEM standards for fit, form, and function. The sensor undergoes rigorous testing to ensure durability and reliable performance in Mercedes-Benz C230 vehicles. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.

BrandContinental
Part Number5WK9638Z
ColorBlack
Connector Quantity1
Housing MaterialPlastic
Terminal GenderMale
Terminal Quantity4
Terminal TypeBlade
Voltage12
Wiring Harness IncludedNo

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2005Mercedes-BenzC230N/A
2004Mercedes-BenzC230N/A
2003Mercedes-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:

271094024874-10123

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