Mercedes C118 W177 W247 Water Hose Coolant Pipe Line Tube A1775017202

Mercedes C118 W177 W247 Water Hose Coolant Pipe Line Tube is an original component designed for the precise routing of coolant within the engine. Thanks to its factory-specified geometry and perfect fit for the specific Mercedes platform, it ensures stable coolant flow and proper integration with other system components. This used OEM part is a sensible choice for drivers looking for a proven solution at an attractive price.

Specifications and technical data

• SKU: A1775017202
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1775017202
• Substitutable numbers: A1775017202, A 177 501 72 02
• Category: Coolant Hoses

Function and role in the cooling system

The hose belongs to the Cooling system hoses and pipes category, responsible for transporting coolant between key engine components and accessories. A properly selected cooling pipe:

• maintains the tightness of the fluid circuit within the specified operating pressure range,
• ensures stable coolant flow under various engine loads,
• minimizes the risk of engine overheating,
• ensures compatibility with factory connectors and mounting points in a given Mercedes model.

Thanks to a design consistent with the manufacturer's specifications, the hose works with original clamps, connectors, and mounting elements, which facilitates service and reduces the risk of leaks after installation.

Compatibility with Mercedes models

The offered hose has been designed specifically for modern compact Mercedes models from the C118, W177, and W247 series. This means that the geometry, connection diameters, and mounting points are adapted to the factory cooling system of these bodies. In practice, this translates into:

• easier installation without the need for modifications,
• secure routing of the hose in the engine bay,
• preservation of the original coolant flow path.

The selection of the correct hose for a specific engine version and vehicle year should always be confirmed based on catalog data or the part number in the product's technical specification.

Benefits of using an original cooling hose

Using an original hose in the cooling system brings a number of practical operational benefits:

• Factory fit – the hose is designed for a specific platform, which limits material stress and twisting during operation.
• Stable system operating parameters – proper coolant flow helps maintain the optimal engine temperature.
• Hassle-free service installation – the mechanic can use the original mounting and routing points, which shortens repair time.
• Economical operation – a used OEM part allows for lower repair costs while maintaining a design consistent with the manufacturer's project.

Component condition and service application

The hose comes from the used parts group, making it an attractive solution for maintenance repairs, replacing damaged cooling pipes after a collision or failure, as well as restoring full cooling system efficiency after engine overheating. Replacing the hose is particularly recommended when:

• cracks, fissures, or signs of corrosion are visible on the existing component,
• coolant leaks occur near the connectors,
• the cooling system was previously repaired with non-factory parts of uncertain quality.

Expanding cooling system service and additional materials

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 pipes, flexible hoses, or coolant return sections, check the available parts in the Mercedes cooling system hoses and pipes category.

When working on the cooling system, it is also worth considering the impact of high temperatures on component durability. Practical tips on operation and cost-effective repairs can be found in the guide "Summer heat vs. cooling system: used radiators and fans as a guarantee of savings", which will help you better plan your service and choose the right components.