Mercedes W169 W245 Radiator Expansion Tank Vent Coolant Hose Tube A1695010725

Mercedes W169 W245 Radiator Expansion Tank Vent Coolant Hose Tube is an original intake system component designed for Mercedes A-Class and B-Class models with petrol engines. Designed as a factory part, it ensures proper airflow to the power unit, which promotes stable engine operation and correct combustion characteristics. This used OEM component is a sensible choice for maintenance when you want to maintain a design consistent with the manufacturer's specifications.

Specifications and technical data

• SKU: A1695010725
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1695010725
• Substitutable numbers: A1695010725, A 169 501 07 25
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The air hose in Mercedes W169 and W245 models is responsible for the airtight and directed supply of air to the petrol engine. A correctly selected component:

• stabilizes airflow throughout the entire intake system,
• reduces the risk of power drops resulting from leaks,
• supports the correct operation of sensors and the engine control unit,
• helps maintain smooth engine performance.

Thanks to the use of the original design, the hose maintains the correct geometry, which is important when the engine is operating under full load.

Application in petrol engines

The component has been designed to work with the petrol supply system, where the quality and stability of airflow are crucial for the fuel-air mixture. In petrol engines, any intake leaks can result in:

• uneven idle speed,
• increased fuel consumption,
• errors stored in the engine control unit.

Choosing a hose that complies with factory specifications allows you to limit these problems and restore the correct operating parameters of the power unit.

Characteristics of the original Mercedes component

As a part from the Hoses, pipes and tubes group by Mercedes, the air hose is structurally matched to the engine compartment of W169 and W245 models. This means:

• proper profiling for factory mounts and brackets,
• compatibility with factory air filter housings and intake elements,
• maintenance of the stiffness and flexibility intended by the manufacturer in critical areas.

A used OEM element is a practical solution for repairs when the existing hose is cracked, deformed, or leaking, and you want to maintain the original configuration of the system.

Selection and integration with other intake components

When replacing the air hose, it is worth paying attention to the condition of other intake system components – the filter housing, clamps, and adjacent hoses. A technically consistent set of elements:

• facilitates installation without modifications,
• reduces the risk of new leaks,
• ensures predictable engine behavior under various load conditions.

If you are planning a comprehensive repair or upgrade of the intake system area in your Mercedes and need other elements from the same group, such as flexible hoses, rigid pipes, or auxiliary breather hoses, check the available parts in the Mercedes Hoses, pipes and tubes category.

Technical support and additional materials

During service work within the engine compartment, it is also worth paying attention to the condition of the electrical installation and lighting, especially in vehicles that are used intensively. If you are interested in a broader context of selecting used components, including lighting elements, you will find practical tips in the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.

Summary

Mercedes W169 W245 Radiator Expansion Tank Vent Coolant Hose Tube is a used, original intake system component for petrol engines, allowing you to restore proper airflow and maintain the factory operating characteristics of the power unit. Choosing an OEM component from the Hoses, pipes and tubes group is a solution that facilitates installation, supports stable engine operation, and helps maintain the structural integrity of the entire intake system.