OE Quality
60-Day Returns

Beck Arnley 158-1604 Mass Air Flow Sensor
Reliable Mass Air Flow Sensor for Mercedes-Benz C230 and SLK230
The Beck Arnley 158-1604 Mass Air Flow Sensor is designed to provide accurate airflow measurement for Mercedes-Benz C230 and SLK230 models. This sensor helps maintain optimal engine performance by ensuring precise air intake readings.
- Compatible with Mercedes-Benz C230 and SLK230 vehicles
- Part number 158-1604 for easy identification
- Monitors air intake to optimize engine combustion
- Contains lead as a chemical component—handle with care
- Essential for emission control and sensor systems
Product Details and Chemical Considerations
This Mass Air Flow Sensor from Beck Arnley is engineered to meet the specifications required by Mercedes-Benz C230 and SLK230 models. The sensor plays a critical role in the vehicle's emission control system by measuring the volume and density of air entering the engine. Notably, this product contains lead, a chemical that requires careful handling and disposal according to local regulations. Proper awareness of this attribute is important for technicians and installers to ensure safety and compliance.
Common Applications and Problem Resolution
- Restores accurate air flow measurement for improved fuel efficiency
- Resolves engine performance issues related to faulty air intake readings
- Helps correct rough idling and stalling problems
- Supports emission control compliance by providing reliable sensor data
- Addresses check engine light triggers related to mass air flow sensor faults
Installation Notes and Tips
When installing the Beck Arnley 158-1604 Mass Air Flow Sensor on Mercedes-Benz C230 or SLK230 models, ensure the sensor connector is securely attached and free of corrosion. Handle the sensor carefully to avoid damage to the sensitive components. Follow manufacturer guidelines for torque specifications and sensor calibration if required. Proper installation is critical to maintain accurate sensor readings and engine performance.
Quality Assurance and Warranty Information
Beck Arnley products are manufactured to meet or exceed OEM standards for fit and function. The 158-1604 Mass Air Flow Sensor undergoes rigorous quality control to ensure reliability and durability. Please refer to Beck Arnley’s warranty policy for specific coverage details related to this sensor.
| Brand | Beck Arnley |
|---|---|
| Part Number | 158-1604 |
| Are You Using The Long Form Warning | Y |
| Chemical(s) at Issue | Lead |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Mercedes-Benz | SLK230 | 2.3L | L4 | N/A | Please confirm compatibility of Mass Air Flow Sensor with your vehicle before buying. |
| 2003 | Mercedes-Benz | SLK230 | 2.3L | L4 | N/A | Please confirm compatibility of Mass Air Flow Sensor with your vehicle before buying. |
| 2002 | Mercedes-Benz | C230 | 2.3L | L4 | N/A | Please confirm compatibility of Mass Air Flow Sensor with your vehicle before buying. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.