Intake Manifold Mercedes W169 W245 M266 Petrol Engine Inlet A2661410201

Intake Manifold Mercedes W169 W245 M266 Petrol Engine Inlet is a factory-original intake system component designed for M266 series petrol engines in A-Class and B-Class models. It is responsible for the precise distribution of the air mixture to individual cylinders, which translates into stable engine operation and predictable throttle response. By maintaining the original geometry of the channels, the manifold ensures proper cylinder filling parameters under typical operating conditions.

Specifications and technical data

• SKU: A2661410201-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2661410201
• Substitutable numbers: A2661410201, A 266 141 02 01
• Fuel type: Petrol
• Category: Intake Manifolds

Purpose and function in the intake system

The presented element from the Intake Manifolds group has been designed specifically for use with the M266 petrol engine installed in compact Mercedes A-Class (W169) and B-Class (W245) models. Its task is to evenly supply air to all cylinders, which is crucial for smooth engine operation, fuel consumption, and exhaust emissions.

Properly shaped intake channels and matched flow cross-sections allow for the preservation of factory torque and power characteristics. Using an original manifold instead of a worn or damaged component helps restore correct engine performance, reduce power drops, uneven idling, or problems with hot starts.

Benefits of using an original intake manifold

Choosing a used, original intake manifold for a Mercedes with an M266 engine is a solution that allows you to balance cost control with the preservation of factory design specifications. Compared to aftermarket replacements with uncertain channel geometry, the original component provides:

• maintenance of factory air flow parameters across the entire RPM range,
• proper compatibility with the factory engine control unit and injection maps,
• consistency with other intake system components and engine accessories,
• reduced risk of leaks and adaptation issues compared to non-original solutions.

For users who want to keep their car in a configuration close to factory standards, using such a manifold is a practical way to restore proper engine operation without interfering with the engine's design.

Condition, fitment, and installation aspects

The offered manifold comes from an operated vehicle and is a used component, which allows for an economical repair of the intake system while maintaining the original specification. Before installation, standard service procedures are recommended, such as checking the mating surfaces, verifying vacuum ports, and using new gaskets in accordance with the manufacturer's procedures.

Compatibility with the M266 unit in W169 and W245 models allows for installation in place of the factory component without the need for structural modifications. A properly selected intake manifold reduces the risk of mixture-related errors, such as lean or rich conditions, which is important for both engine durability and compliance with emission requirements.

Optimizing the performance of the M266 petrol engine

In petrol engines, the stability of air flow and the absence of leaks in the intake system are particularly important. A functional intake manifold helps maintain:

• correct manifold vacuum values,
• proper response to changes in load and accelerator pedal position,
• even cylinder filling, which promotes smooth idling,
• predictable fuel consumption in daily use.

For mechanics and users who consciously service their vehicles, replacing a worn manifold with an original component from the same family is one of the basic steps when diagnosing intake problems, fluctuating RPMs, or performance drops.

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 intake manifolds, air flow elements, or intake system components, check the available parts in the Mercedes Intake Manifolds category.

More about selecting used manifolds

When choosing a used intake manifold for a Mercedes, it is worth paying attention to compatibility with the specific engine version, fuel type, and the design of the exhaust and intake system in a given model. It is also good practice to verify the condition of the internal channels for contamination and any mechanical damage.

To better understand the relationships between the intake and exhaust systems and to consciously select used components such as manifolds, we encourage you to read the article Performance exhaust system: used manifolds and sports catalytic converters on the road, which discusses practical aspects of operating and selecting these types of sub-assemblies in popular brands, including Mercedes.