Intake Manifold Mercedes W169 W245 M266 Petrol Air Inlet Manifold A2661410501

Visual condition of the part

The product shows signs of use visible in the photos.

Intake Manifold Mercedes W169 W245 M266 Petrol Air Inlet Manifold is an original intake system component designed for the M266 series petrol engines used in Mercedes compact models. The precise geometry of the intake channels ensures stable air supply to the cylinders, which translates into smooth engine operation, proper throttle response, and predictable combustion parameters. This solution is dedicated to users who expect factory fitment, reliable compatibility, and a proven design.

Specifications and technical data

• SKU: A2661410501-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2661410501
• Substitutable numbers: A2661410501, A 266 141 05 01
• Fuel type: Petrol
• Category: Intake Manifolds

Purpose and function in the intake system

The intake manifold in the M266 engine is responsible for the even distribution of air to individual cylinders, which is crucial for the stable operation of a petrol unit. The design chosen by the manufacturer allows for maintaining proper cylinder filling across the entire rev range, supporting engine refinement, performance, and predictable fuel consumption. In the case of symptoms such as rough idling, power loss, or mixture-related errors, replacing the intake manifold with a component that meets factory specifications is one of the essential diagnostic and repair procedures.

Benefits of using an original intake manifold

Using an intake manifold dedicated to the M266 unit in W169 and W245 models allows for maintaining the parameters specified by the vehicle manufacturer. The original geometry of the intake channels, properly selected cross-sections, and the shape of the plenum chambers promote correct cylinder filling, which is important for both power and exhaust emissions. For the user, this means:

• maintaining stable petrol engine operation under full load conditions,
• retaining acceleration characteristics consistent with factory assumptions,
• reducing the risk of intake system-related errors,
• easier diagnostics in the future thanks to the preservation of the original configuration.

Additionally, the Intake Manifolds category includes components that have a direct impact on airflow, which is why selecting the right component is important for the durability of the power unit and proper cooperation with the control electronics.

Installation characteristics and compatibility

The presented intake manifold is intended for M266 series petrol engines used in Mercedes A-Class and B-Class models of the W169 and W245 generations. This means maintaining factory mounting points, proper placement of ports for accessories, and compatibility with the stock air supply system. For a workshop or a user performing the repair, this means the possibility of installation without the need for structural modifications, which shortens work time and reduces the risk of leaks in the intake system.

The item comes from the used original parts segment, which in practice allows combining factory fitment with a more cost-effective repair compared to new components. With proper installation and seal inspection, the manifold can continue to operate under conditions close to those intended by the manufacturer.

Operating a petrol engine with the M266 manifold

In petrol units, airtightness and proper airflow within the intake manifold are particularly important. Leaks or damage can lead to a lean mixture, misfires, or increased fuel consumption. Replacing it with a functional, original manifold dedicated to the M266 allows for restoring proper operating conditions, which is important for both unit durability and driving comfort. Combined with a properly functioning ignition and fuel system, such a set ensures predictable performance and stable emission parameters.

If you want to better understand the role of intake and exhaust components in cars of various brands, including Mercedes, it is worth checking out our guide material: Performance exhaust system: used manifolds and sports catalytic converters on the road. You will find practical tips there regarding the selection and operation of used manifolds.

Expanding the intake system in a Mercedes

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 manifolds with a different configuration, intake elements, or additional air supply components, check the available parts in the Mercedes Intake Manifolds category.

To maximize the potential of used components and extend their trouble-free service life, you can use practical advice on maintenance and operation: How to extend the life of used car parts. This is particularly useful for components operating in demanding thermal conditions, such as intake manifolds in petrol engines.