Mercedes W169 W245 M266 Air Filter Box Housing A2660900001

Mercedes W169 W245 M266 Air Filter Box Housing is a factory intake system component, designed specifically for the M266 series engines in A-Class and B-Class models. It is responsible for the stable seating of the filter element and controlled airflow to the engine, which promotes smooth operation of the power unit. Thanks to a design consistent with the manufacturer's specifications, this air filter box housing helps maintain proper intake parameters and reduces the risk of leaks.

Specifications and technical data

• SKU: A2660900001-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2660900001
• Substitutable numbers: A2660900001, A 266 090 00 01
• Category: Air Filter Housings

Purpose and function in the intake system

The air filter box housing in the version dedicated to M266 engines in W169 and W245 bodies is responsible for airtight air routing from the intake to the intake manifold. A correctly selected component in this group:

• ensures stable mounting of the filter element,
• limits the ingress of contaminants into the intake system,
• maintains the correct direction of airflow,
• minimizes intake noise.

This allows the engine to operate under predictable conditions, and the mixture parameters remain closer to factory specifications.

Construction and fitment for Mercedes W169 / W245

The presented Mercedes air filter box housing has been designed as a component integrated into the engine bay of A-Class and B-Class models. The shape of the body and the mounting points are adapted to factory brackets, which facilitates installation and removal during service.

This solution allows for:

• secure seating of the housing without additional modifications,
• compatibility with stock intake ducts,
• maintaining the original routing of air channels.

Such fitment is particularly important for maintaining the standard operating characteristics of the M266 unit and compatibility with factory sensors and intake accessories.

Performance characteristics of the used component

The housing comes from the used parts segment, which means it is a component removed from a vehicle that retains its structural functionality. This type of component is a good choice in situations where the existing housing has suffered mechanical damage, cracking, or deformation affecting its airtightness.

Using an original, used housing allows you to:

• maintain the consistency of the intake system with the manufacturer's solutions,
• preserve factory air routing without experimenting with aftermarket replacements,
• reduce repair costs while maintaining the proper function of the component.

Benefits of using an original air filter box housing

Choosing an original air filter box housing for the M266 unit in a Mercedes W169 / W245 is a solution that promotes stable vehicle operation. A design consistent with the manufacturer's project helps avoid problems with poor fitment, leaks, or incorrect seating of the filter element.

Key advantages include:

• factory fitment to the engine bay without the need for modifications,
• preservation of the airflow geometry intended by the manufacturer,
• the ability to work directly with stock intake system components.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional housings, covers, or intake ducts, check the available parts in the Mercedes Air Filter Housings category.

Technical support and part selection

When selecting an air filter box housing for a specific engine version and model year, it is worth paying attention to compatibility with the intake system and accessories used in the given vehicle. Comparing the shape of the body, the arrangement of mounts, and the routing of air ducts is helpful.

For users interested in deepening their knowledge about selecting intake system components and engine accessories, a practical guide on compatibility analysis, OEM numbers, and installation may be useful – you can find it in the article BMW B58 Code – checklist before buying a turbo and intercooler, which discusses the approach to verifying parts on the secondary market in an accessible way.