Mercedes R172 W212 W221 W251 W222 W204 Air Intake Manifold Bridge A2761400844

The Mercedes R172 W212 W221 W251 W222 W204 Intake Manifold is an original part from the Intake Manifolds group, designed for use in selected Mercedes models with gasoline engines. This solution is for users who expect factory intake port geometry, stable engine operating parameters, and a secure fit with engine accessories.

Specifications and technical data

• SKU: A2761400844
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2761400844
• Substitutable numbers: A2761400844, A 276 140 08 44
• Category: Intake Manifolds

Purpose and Compatibility

The presented intake manifold is dedicated to Mercedes vehicles from the R172, W212, W221, W251, W222, and W204 series. This means it can be used in a wide range of body styles – from compact roadsters, through executive sedans, to practical family models. By maintaining the factory design, the manifold works with original sensors, the throttle body, and the engine control system, which simplifies installation and subsequent operation.

Intake Manifold Construction and Function

The intake manifold is responsible for evenly distributing the air-fuel mixture to individual cylinders, which directly impacts engine smoothness, performance, and fuel consumption. This model features a design adapted to the specific requirements of Mercedes engines, ensuring:

• stable airflow across the entire RPM range,
• proper interaction with the engine control system,
• appropriate mixture preparation for driving dynamics and economy.

By preserving the original intake port geometry, the manifold helps maintain engine operating parameters at the level intended by the manufacturer, without the need for software modifications to the control unit.

Benefits of Using an Original Intake Manifold

Using an original intake manifold in a Mercedes translates into a number of practical benefits. Compared to aftermarket alternatives, this part offers:

• a secure fit to the cylinder head and accessories, which reduces the risk of leaks and installation problems,
• preservation of factory cylinder filling parameters, and thus predictable performance,
• compatibility with factory mounting points, vacuum lines, and sensors,
• easier diagnostics in case of potential faults, due to compliance with Mercedes service documentation.

This solution is particularly recommended when replacing a worn or damaged manifold, if you want to maintain the engine's performance characteristics as intended by the manufacturer.

Condition, Origin, and Service Application

The manifold comes from a dismantled Mercedes vehicle, which allows for the preservation of the factory specification and design intended for a given engine generation. This type of part is often chosen by workshops specializing in the Mercedes brand as a sensible compromise between repair cost and maintaining original quality. It is suitable for both typical replacement of a worn manifold and for larger service work on the engine unit.

Intake System Expansion and Related Components

Replacing the intake manifold is a good time to check the condition of other intake system components – vacuum lines, throttle body, gaskets, and sensors. A properly selected set of components can help reduce power loss, uneven idling, or error codes stored in the engine control unit. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional manifolds, intake components, or related modules, check the available parts in the Mercedes Intake Manifolds category.

Technical Support and Knowledge of Intake Systems

Selecting the right intake manifold is crucial for the proper functioning of the intake and exhaust systems, especially in higher-performance cars. If you want to better understand the relationships between the manifold, the exhaust system, and engine characteristics, check out the guide: Performance Exhaust System: Used Manifolds and Sport Catalytic Converters on the Road. This is a practical addition to your knowledge when planning repairs or modifications to your Mercedes.