Mercedes SLK R172 W204 W212 M271 Air Intake Filter Box Lower Housing A2710901601

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes SLK R172 W204 W212 M271 Air Intake Filter Box Lower Housing is an original intake system component designed for gasoline engines, ensuring stable mounting of the filter element and proper airflow. Thanks to its factory geometry and fitment for the M271 unit, this lower housing allows for maintaining consistency in the air supply system operation and reduces the risk of intake leaks. It is a practical solution for users who want to restore proper engine performance without compromising on compatibility.

Specifications and technical data

• SKU: A2710901601-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2710901601
• Substitutable numbers: A2710901601, A 271 090 16 01, A2710940304, A 271 094 03 04
• Fuel type: Petrol
• Category: Air Filter Housings

Purpose and function in the intake system

The lower air filter housing in the Mercedes W204 with the M271 engine is responsible for the stable seating of the filter element and directing air to the subsequent components of the intake system. A properly selected housing minimizes pressure drops, reduces turbulence, and helps maintain even air supply to the cylinders, which translates into predictable throttle response and stable operation of the gasoline unit.

A correctly chosen component from the Air filter housings group is particularly important in engines with forced induction and precise mixture control, where any leaks or deformations of the housing can cause sensor reading errors and a drop in performance.

Benefits of using an original housing

Using the factory lower air filter housing in a Mercedes W204 with the M271 unit allows for maintaining the parameters specified by the vehicle manufacturer. The original geometry of the intake ducts and mounting points are matched to the stock brackets, which facilitates installation and reduces the risk of stress on the plastic components of the system.

Key advantages include:

• maintaining the factory rigidity of the filter housing structure,
• proper air guidance to subsequent intake components,
• compatibility with stock mounts and engine bay accessories,
• reducing the risk of contaminants bypassing the filter element.

Thanks to this solution, it is possible to maintain stable operating conditions for the gasoline engine, which is important for both the durability of the power unit and for smooth operation and fuel consumption.

Characteristics of the used component

The presented lower air filter housing is a used component sourced from dismantling, which allows for combining original fitment with an attractive price compared to new replacements. Such components are frequently chosen for maintenance repairs when the existing housing has cracked, deformed, or suffered damaged mounts.

In the case of air filter housings, it is particularly important that the contact surfaces with the upper part of the housing and the filter element seat maintain the correct geometry, which enables proper sealing and ensures that airflow passes exclusively through the filtering medium.

Application in gasoline engines

The component was designed for gasoline-powered units, where precise air metering has a direct impact on the mixture composition and the operation of the ignition system. In engines of this type, any leaks on the suction side can lead to a lean mixture, unstable idle speed, or the appearance of errors in the engine control unit.

Selecting the correct air filter housing is therefore an essential element of restoring proper intake system operation after a collision, bodywork repairs, or the replacement of other components in the engine bay.

Integration with other intake system components

The lower air filter housing works in conjunction with the upper cover, filter element, intake ducts, and mass airflow sensors. Proper fitting of these elements reduces vibrations, intake noise, and the risk of seal failure. In practice, this translates into more predictable vehicle behavior across the full range of loads and RPMs.

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 lower housing pans, upper covers, or additional intake ducts, check the available parts in the Mercedes Air filter housings category.

Summary and additional technical materials

Mercedes SLK R172 W204 W212 M271 Air Intake Filter Box Lower Housing is a practical solution for users who want to restore proper intake system operation in a gasoline engine while maintaining factory fitment and airflow parameters. Choosing an original, used component allows for optimizing service costs while maintaining high-quality assembly.

If you are interested in the broader context of using recycled parts in vehicles and ways to rationally reduce repair costs, it is worth reading the expert material: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing verified recycled parts.