OEM A2730940548 A MASS AIR FLOW SENSOR FOR MERCEDES W164

NEW MASS AIR FLOW METER SENSOR FOR MERCEDES W164 ML350/500 2005-11 A2730940548

What Does a Mass Air flow Sensor Do？

The Mass Air Flow sensor (MAF sensor) provides vital data by measuring the quality of the air entering the engine through its intake. This data is of utmost importance for optimizing engine performance, enhancing fuel efficiency, and maintaining emission control.

The primary role of the MAF mass air flow sensor is to measure the air flow entering the engine. The correct volume of air needs to be mixed with the appropriate amount of fuel to maintain the ideal air-fuel ratio (AFR). This ideal AFR is typically set at 14.7:1, indicating that for every pound of gasoline, 14.7 pounds of air are required. However, real-world driving conditions and engine loads may necessitate different AFR values. For instance, acceleration demands more fuel, leading to a richer AFR, whereas during cruising, a leaner AFR can enhance fuel efficiency.

Testing the MAF Sensor

If you suspect that your MAF mass air flow sensor is faulty, you can test it using a multimeter. Here are the steps involved:

1. 1.Disconnect the MAF mass air flow sensor from the air intake system.
2. 2.Locate the MAF mass air flow sensor's electrical connector.
3. 3.Connect the multimeter's positive lead to the MAF mass air flow sensor's signal wire.
4. 4.Connect the multimeter's negative lead to the MAF mass air flow sensor's ground wire.
5. 5.Turn on the multimeter and set it to the voltage setting.
6. 6.Start the engine and let it idle.
7. 7.Observe the voltage reading on the multimeter.

The normal voltage reading for a MAF mass air flow sensor varies depending on the make and model of the vehicle. However, it is typically between 0.5 and 5 volts. If the voltage reading is outside of this range, the MAF mass air flow sensor may be faulty and should be replaced.

Item specifics

Fits Make & Model

Mercedes-Benz G 500(W463) (1989/09 - /) Mercedes-Benz SL500/SL350/SL300 (R230) (2001-2012/01) Mercedes-Benz E 350 (W211) (2002-03-2008/12) Mercedes-Benz CLK350/ CLK280 (C209)(2002-2009/05) Mercedes-Benz VIANO 3.5 (W639) (2003-09-/) Mercedes-SL300 KK350 (r171) (2004/03 - 2011/02) Mercedes-Benz CLS300/CLS350/CLS500 (C219) (2004-2010/12) Mercedes-Benz ML 500 4-matic /ML 350 4-matic (W164) (2005-07-/) Mercedes-Benz R300/R500/R350 (W251, v251) (2006/01 - /) Mercedes-Benz C300 (W204) (2007/01 - /)

Product Features

Energy saving and environmental protection: The use of low-power design of mass air flow sensor can effectively save energy.
High-precision measurement: Adopt advanced measurement technology to provide high-precision flow measurement results.
Multiple interfaces and size options: A variety of interfaces and size options of mass air flow sensor are available to suit different application requirements.
Reliability and stability: The mass air flow sensor is usually manufactured with high-quality materials and processes, with good reliability and stability.
Fast response time: The mass air flow sensor is able to detect and respond to changes in air flow in real time. The sensor can provide accurate data and maintain stable system operation.

OUR SERVICES
● One year warranty for the mass air flow sensor, responsible for after-sales service.
● Provide inspection video and support online inspection.
● We have some scarce accessories for auto products.
● It can meet customers' diversified OEM/ODM products and packaging customization needs.
● Team of engineers with more than 10 years experience in auto parts.
● The product model of mass air flow sensor can meet the different needs of customers, with large inventory and fast delivery.