Mercedes W169 W245 M266 Air Pump Pipe Hose Line A2662380282

Mercedes W169 W245 M266 Air Pump Pipe Hose Line is an original intake system component designed for Mercedes A-Class W169 and B-Class W245 models with the M266 engine. This used part from the Secondary air pumps category ensures proper airflow within the system, contributing to stable engine operation and correct interaction with the secondary air injection system.

Specifications and technical data

• SKU: A2662380282
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2662380282
• Substitutable numbers: A2662380282, A 266 238 02 82
• Category: Secondary Air & Smog Pumps

Purpose and function in the intake system

The air pipe hose in the M266 engine intake system is responsible for directing airflow between intake components and the secondary air injection system. A correctly selected and airtight hose:

• ensures stable airflow to the engine,
• reduces pressure drops in the system,
• supports the proper operation of the secondary air system,
• helps maintain appropriate combustion parameters.

As a result, the engine maintains predictable operating characteristics, and the control system is provided with the proper conditions for emission control.

Benefits of using an original air hose

Using a hose matched to the design of the Mercedes W169 and W245 with the M266 engine allows for maintaining the factory air routing geometry. The appropriate shape and diameter of the hose reduce turbulence and unwanted flow resistance, which translates into:

• more predictable engine response to load,
• stable mixture parameters across different RPM ranges,
• proper cooperation with the secondary air system.

For the user, this means more consistent vehicle behavior and a lower risk of errors related to the intake system.

Component condition and installation aspects

The offered hose belongs to the group of used parts, which allows for an economical repair while maintaining the original design. This type of component is particularly useful when replacing a damaged, brittle, or leaking hose, which can cause incorrect mixture composition, power loss, or diagnostic errors.

The air pipe hose is designed as a component matched to factory mounts and routing in the engine bay, which facilitates installation and reduces the need for modifications. In practice, this allows for shorter service times and reduces the risk of improper hose positioning in relation to other components.

Application in the secondary air system

As a component from the Secondary air pumps category, the hose works with the system responsible for supplying additional air to the exhaust system under specific engine operating conditions. A functional hose:

• facilitates compliance with required emission standards,
• ensures proper operation of the secondary air system,
• reduces the risk of errors related to improper flow.

For workshops and users, this means the ability to restore full system functionality without the need for aftermarket replacements with uncertain fitment.

System expansion and selection of related components

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 hoses, connectors, or air supply elements, check the available parts in the Mercedes Secondary air pumps category.

For major service work related to the intake and exhaust systems, it is also worth paying attention to the engine unit selection and its specific requirements. In the context of analyzing different engine designs, material comparing popular BMW diesel units may be helpful – a detailed summary of performance, reliability, and operating costs can be found in the article BMW N47 vs M57 / M57N / M57N2 – ranking of legendary diesels.