Description
The Mercedes W169 W245 Air Filter Housing M266 is an original intake system component from the Mercedes group, designed for M266 gasoline engines installed in compact A-Class and B-Class models. The housing is located at the front of the engine bay, ensuring stable mounting of the filter element and controlled airflow, which contributes to the efficient and smooth operation of the power unit.
Specifications and technical data
- SKU: A2660940004
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2660940004
- Substitutable numbers: A2660940004, A 266 094 00 04, BG
- Location on the vehicle: Front
- Fuel type: Petrol
- Category: Air Filter Housings
Purpose and Function in the Intake System
The air filter housing in the M266 engine is responsible for the sealed channeling of air from the intake to the filter element and then to the throttle body. In Mercedes W169/W245 A-Class and B-Class models, this component is crucial for:
- maintaining proper airflow to the gasoline engine,
- protecting the filter element from dirt in the engine bay,
- stable mounting of intake ducts at the front of the vehicle,
- reducing the noise of the intake air.
Thanks to its proper design, the housing supports correct mixture combustion, which translates to the refinement of the M266 unit’s operation and the maintenance of factory performance parameters.
Construction and Fitment for Mercedes W169 / W245
The filter housing has been specifically designed for the intake system in compact Mercedes A-Class and B-Class vehicles, taking into account the limited space at the front of the body. The shape and mounting points are adapted to factory brackets, which facilitates installation and ensures:
- secure seating in the engine bay without additional modifications,
- compatibility with standard intake ducts and spigots,
- preservation of the original airflow path.
This solution allows for the maintenance of the factory characteristics of the intake system’s operation, without the risk of improper air intake or leaks.
Characteristics of a Used Part
The presented air filter housing is a used part, sourced from disassembly. This means it may show signs of wear typical for a component operating in the engine bay, while retaining its structural functionality. For the user, this offers an economical option to replace a damaged or cracked housing while maintaining the original manufacturer’s specifications.
Choosing a used OEM part is particularly beneficial for intake systems where the following are crucial: sealing, fitment with factory mounts, and compatibility with other engine components.
Benefits of Using an Original Air Filter Housing
Using the factory air filter housing in a Mercedes W169/W245 with an M266 engine allows for:
- maintaining proper airflow to the gasoline unit,
- minimizing the risk of contaminants getting past the filter,
- preserving correct mounting of ducts and sensors at the front of the vehicle,
- avoiding fitment issues typical of aftermarket replacements with different geometries.
This ensures the intake system remains consistent with the manufacturer’s design, promoting stable engine operation and reducing the risk of additional vibrations or unwanted noises.
Mercedes Air Filter Housings – Selection and Additional Information
If you are looking for other Mercedes air filter housings compatible with specific engine and body versions, check out our category Mercedes air filter housings, where you will find a wide selection of OEM parts for various models of this brand.
For those interested in selecting used turbocharging and intake system components, practical tips on choosing turbochargers, installation, and integration with other parts can be found in the article Go-Kart Feeling XXL – Comparison of Used N18 and B48 Turbochargers in Mini Cooper S, which discusses key technical aspects when working with OEM components.
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