Coolant Hose Mercedes W169 W245 M266 Water Pipe A2662000052

Coolant Hose Mercedes W169 W245 M266 Water Pipe is a component from the Lines, hoses and pipes group, designed for the cooling system in Mercedes vehicles. It enables efficient circulation of coolant between engine components, supporting a stable operating temperature of the power unit and reducing the risk of overheating.

Specifications and technical data

• SKU: A2662000052-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2662000052
• Substitutable numbers: A2662000052, A 266 200 00 52
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

The offered water hose is a cooling system component responsible for the directional flow of coolant between key engine parts. A properly selected hose ensures:

• stable coolant flow within the specified circuit,
• maintenance of the optimal operating temperature of the power unit,
• reduction of thermal loads on other engine components.

Thanks to its proper shape and fit for the specific vehicle platform, the hose minimizes installation stress and the risk of leaks at the connections.

Benefits of using an original Mercedes hose

Using an original water hose in Mercedes W169 and W245 series cars allows for maintaining the factory geometry of the coolant flow. This translates into:

• secure fit to connectors and mounts in the engine bay,
• correct positioning relative to other components (engine accessories, wiring harnesses, housings),
• reduced risk of rubbing against moving or heated parts.

The original hose design also supports maintaining factory cooling system performance parameters, which is important for both engine durability and performance stability.

Product characteristics and installation

The water hose from this offer belongs to the Lines, hoses and pipes group, which means it has been designed to work in an environment of operating fluids in the engine bay. The component is intended for installation in Mercedes vehicles, maintaining factory mounting points and hose routing.

Before installation, it is recommended to:

• verify the compatibility of the part with the vehicle based on manufacturer data,
• check the condition of connectors, clamps, and fittings,
• properly bleed the cooling system after replacing the hose.

This approach allows for restoring proper coolant circulation and reducing the risk of subsequent leaks.

Condition and service application

The offered component is in used condition, making it an attractive service solution for budget repairs or restoring vehicle functionality while keeping costs under control. In practice, it will serve as a replacement for a damaged, perished, or leaking hose in the cooling system.

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 additional coolant lines, flexible hoses, or rigid pipes, check the available parts in the Mercedes lines, hoses and pipes category.

To deepen your knowledge about selecting original components by manufacturer numbers and how to properly service power units using OEM parts, it is worth reading the article Audi five-cylinder engine – a legend from Quattro to RS3 and how to take care of it using original Audi parts, which discusses practical principles of identifying and selecting used components based on factory markings.