Heater Pipe Mercedes W177 W247 Water Hose Coolant Pipe Line A1775014700

Heater Pipe Mercedes W177 W247 Water Hose Coolant Pipe Line is a cooling system component responsible for the reliable flow of coolant between the engine and the heater core. Thanks to its factory-spec geometry and precise fitment for the W177 and W247 platforms, this original water hose ensures stable thermal conditions and proper operation of the vehicle's interior heating. It is a practical service solution for users seeking a proven cooling system component for their Mercedes.

Specifications and technical data

• SKU: A1775014700
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1775014700
• Substitutable numbers: A1775014700, A 177 501 47 00
• Category: Coolant Hoses

Function in the Mercedes W177 / W247 cooling system

The described pipe belongs to the Cooling system pipes and hoses category, responsible for transporting coolant within the engine and heater circuit. A correctly selected component in this area:

• maintains the fluid flow path designed by the manufacturer,
• reduces the risk of localized engine overheating,
• supports stable heater operation and thermal comfort in the cabin,
• minimizes the risk of leaks resulting from the incorrect geometry of aftermarket replacements.

Thanks to its design tailored to the W177 and W247 models, the pipe works with factory connectors and clamps, which facilitates the installation and servicing of the cooling system.

Original Mercedes component – fitment and compatibility

As a Mercedes brand product, the heater pipe maintains design parameters in accordance with the vehicle manufacturer's requirements. This means:

• properly selected connection diameters for correct fluid flow,
• a shape adapted for routing in the engine bay without tension,
• compatibility with factory brackets and mounting points.

The original origin of the component helps maintain the integrity of the entire cooling system and limits the need for modifications during replacement.

Performance characteristics and service application

The heater pipe in the used version is a solution that allows for economical repair while maintaining the correct fit for a specific body generation. In practice, this means that the component can be used both for the typical replacement of a worn-out hose and for repairs after a cooling system failure, where it is necessary to restore the original routing of the coolant lines.

Choosing this component is particularly beneficial in situations where you want to:

• maintain the factory configuration of the cooling system,
• reduce the risk of fitment issues associated with aftermarket parts,
• ensure the correct operation of the heater during the winter season.

Technical support and knowledge about the cooling system

To better plan the diagnostics and repair of the cooling system, it is worth familiarizing yourself with material discussing typical overheating symptoms, service principles, and the impact of individual components on engine durability. Practical tips can be found in the article Engine cooling system – overheating, repair, and used radiators, which helps you understand how to properly maintain the entire cooling system.

Other cooling system pipes for Mercedes

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other elements from the same group, such as additional water pipes, flexible return hoses, or sections supplying fluid to the radiator, check the available parts in the Mercedes cooling system pipes and hoses category.