Mercedes W166 W204 W212 W251 Air Intake Pipe Hose Duct Resonator Box A2761400312

Mercedes W166 W204 W212 W251 Air Intake Pipe Hose Duct Resonator Box is an original intake system component from the Lines, hoses and pipes group, designed for use in selected Mercedes models. This used OEM part ensures proper airflow to the engine's supply system, which promotes stable engine operation and correct interaction with factory electronics.

Specifications and technical data

• SKU: A2761400312
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2761400312
• Substitutable numbers: A2761400312, A 276 140 03 12
• Category: Hoses, Lines & Pipes

Function and role of the air intake pipe

The air intake pipe in Mercedes SUV and sedan models is responsible for directing the airflow from the surroundings to the subsequent components of the intake system. A correctly selected component:

• stabilizes airflow at various driving speeds,
• reduces pressure drops in the intake duct,
• supports uniform cylinder filling,
• ensures correct cooperation with the stock air filter housing.

By maintaining the factory geometry, the pipe helps to keep engine performance parameters in line with the manufacturer's specifications, which is important for both power output and the engine's refinement.

Why choose an original Mercedes component

The original air intake pipe from the Mercedes range has been designed specifically for particular body styles and engine bays, taking into account limited installation space and thermal requirements. In practice, this means:

• secure fitment to factory mounts and brackets,
• maintenance of proper rigidity and flexibility within the intended temperature range,
• compatibility with stock covers, filter housing, and other intake lines.

Choosing an original component from this group allows you to avoid problems with leaks, incorrect hose routing, or collisions with other components in the engine bay. This is particularly important in modern designs, where precision of airflow has a direct impact on the operation of sensors and control systems.

Part condition and service application

The offered air intake pipe is a used aftermarket component, intended as a replacement for the factory-installed hose in Mercedes vehicles of the appropriate body series. This type of component is often chosen for:

• post-collision repairs, when plastic elements in the front part of the engine bay are damaged,
• eliminating leaks in the intake system,
• restoring the vehicle to its factory configuration after previous modifications.

Using an original, used part allows you to maintain a favorable cost-to-quality ratio while preserving the factory airflow characteristics.

Selection and compatibility verification

To correctly select an air intake pipe for a specific vehicle, it is worth verifying compatibility with the manufacturer's markings and the body generation. Comparing the shape, placement of mounts, and connection diameters with the removed part is helpful. In case of doubt, it is recommended to consult the selection with a mechanic or a service center specializing in the Mercedes brand, which minimizes the risk of incorrect installation and speeds up service work.

Expanding the Mercedes intake system

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 intake lines, flexible hoses, or rigid air ducts, check the available parts in the Mercedes lines, hoses and pipes category.

For drivers interested in a broader perspective on upgrades and component replacements in sports and compact cars, guide materials may be useful. For example, an article discussing the evolution of a popular hot-hatch and the range of cost-effective replacements and upgrades can be found in the text Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts, which shows how thoughtful use of aftermarket parts can support long-term vehicle operation.