Heater Hose Mercedes W177 W247 Water Condensation Drain Coolant Pipe A2478302300

Heater Hose Mercedes W177 W247 Water Condensation Drain Coolant Pipe is an original cooling system component designed for Mercedes W177 and W247 series models, ensuring stable coolant routing within the engine bay. Thanks to its factory geometry and precise fitment to the manufacturer's installation, this hose allows for maintaining proper fluid circulation and reducing the risk of leaks. It is a practical solution for users who want to maintain the efficiency of the cooling system while adhering to the original Mercedes specification.

Specifications and technical data

• SKU: A2478302300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2478302300
• Substitutable numbers: A2478302300, A 247 830 23 00, KD
• Category: Other Air Conditioning & Heating

Purpose and function in the cooling system

The described water hose is a component responsible for transporting coolant between individual parts of the cooling system in the Mercedes W177 and W247. A properly shaped water pipe helps maintain:

• stable coolant flow under both road and workshop conditions,
• proper pressure within the circuit,
• correct cooling of the engine unit and cooperating components.

Selecting an original hose is important for maintaining the correct fluid routing, avoiding collisions with other elements in the engine bay, and limiting mechanical and thermal stress.

Original origin and fitment for Mercedes

As a Mercedes brand part, the hose has been designed for full compatibility with the factory cooling system in W177 and W247 vehicles. This means:

• preservation of original mounting points and hose routing,
• consistency with other cooling system components,
• easier installation without the need for modifications or fitting aftermarket replacements.

A used, original element of this type is often chosen as a reasonable alternative to new parts, allowing for compliance with the manufacturer's design while keeping service costs under control.

Used condition and benefits of choosing an original part

The hose comes from the Other category, meaning it is a supplementary cooling system component, essential for comprehensive vehicle maintenance. Its used condition allows for:

• reducing repair costs compared to new parts,
• maintaining the original construction and fitment,
• effectively restoring cooling system efficiency after a failure or leak.

When replacing the water hose, it is worth paying attention to proper positioning in the engine bay and using appropriate clamps and seals to fully utilize the potential of the original component.

Application in service and cooling system upgrades

Heater Hose Mercedes W177 W247 Water Condensation Drain Coolant Pipe will prove useful both for standard repairs after a leak is detected and for broader service work involving the replacement of several cooling system elements. It can be used, among other things, for:

• fixing coolant leaks,
• renovating the cooling circuit after engine overheating,
• periodic inspections when wear or cracks in the hoses are identified.

Choosing an original hose reduces the risk of fitment issues, which is particularly important in vehicles used intensively, e.g., in commercial or fleet applications.

Related categories and technical knowledge

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 hoses, connectors, or fittings, check the available parts in the Other Mercedes category.

To better understand the differences in construction and component loads in high-performance cars, you can refer to the comparative material regarding sports versions, available in the blog post Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the impact of engine power and the cooling system on part selection.

If you want to deepen your knowledge about the advantages of using original, used components in cars of this brand and ways to maintain comfort and durability without excessive costs, it is worth reading the article Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?.