Description
Mercedes-Benz C E Class W203 W204 W211 Air Flow Mass Meter Sensor is a used, original component from the Air and fuel intake sensors group, designed for the intake system in Mercedes vehicles. It ensures precise measurement of the intake air volume, which translates into stable engine operation, correct fuel dosing, and predictable performance. This is a solution for users looking for a proven component with factory performance characteristics.
Specifications and technical data
- SKU: A6460940048
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6460940048
- Substitutable numbers: A6460940048, A 646 094 00 48, A0061531328, A 006 153 13 28, BG
- Category: Air Intake & Fuel Sensors
Function and role of the mass air flow sensor in a Mercedes
The mass air flow sensor in Mercedes C-Class and E-Class models is responsible for measuring the mass of air drawn into the intake manifold. Based on this data, the engine control unit selects the fuel dose, injection timing, and mixture corrections. A functional sensor helps limit excessive fuel consumption, reduces the risk of smoke, and supports smooth engine operation across the entire rev range.
A well-functioning element from this group also contributes to:
- stable idle speed,
- smooth acceleration without jerking,
- proper throttle response,
- maintaining correct exhaust emission parameters.
Why choose this mass air flow sensor
The offered mass air flow sensor is a part designed for Mercedes vehicles, which means it maintains the correct signal characteristics for the engine control system. In practice, this facilitates installation and reduces the risk of compatibility issues typical of aftermarket replacements of uncertain origin.
Key advantages of this solution include:
- factory geometry and mounting method,
- adaptation to work in demanding thermal and flow conditions,
- maintaining parameters consistent with the vehicle manufacturer’s specifications.
Application and selection by part numbers
This mass air flow sensor model is used in selected versions of Mercedes C-Class and E-Class, including the W203, W204, and W211 generations, depending on the specific engine configuration. When selecting the component, it is crucial to compare the OEM part number and interchangeable numbers with the data on the currently installed unit or in the vehicle’s service documentation. This helps reduce the risk of purchasing an incompatible component and ensures proper cooperation with the engine electronics.
If you want to learn more about the cost-effectiveness of installing used electronic components and sensors in a car, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?
Condition, installation, and operation
The offered mass air flow sensor is a used item, which allows for an economical repair of the intake system while maintaining the original specification. Before installation, it is recommended to perform a standard check of the intake system – hose tightness, air filter condition, and electrical connectors – so that the new sensor in your car can operate in stable conditions.
During installation, it is worth paying attention to:
- correct positioning of the mass air flow sensor according to the airflow direction,
- a clean and undamaged electrical connector,
- absence of leaks at the intake hose connections,
- using a high-quality air filter.
Selection support and other sensors for Mercedes
When purchasing a mass air flow sensor, it is particularly important to verify compatibility by part numbers and interchangeable numbers. If you want to learn practical methods for checking component compatibility using manufacturer markings, the following guide will be helpful: Online parts shopping without risk – how to verify component compatibility by OEM numbers.
If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional pressure sensors, temperature measurement elements, or components related to the fuel system, check the available parts in the Mercedes Air and fuel intake sensors category.
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