Mercedes SLK R172 Water Hose Radiator Coolant Cooling Pipe Line A1725012982

Mercedes SLK R172 Water Hose Radiator Coolant Cooling Pipe Line is a component from the Cooling system hoses and pipes group, designed for operation in the engine cooling system of the Mercedes SLK R172 generation model. It is responsible for the stable routing of coolant between the radiator and other components, supporting the safe maintenance of the engine's operating temperature.

Specifications and technical data

• SKU: A1725012982
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1725012982
• Substitutable numbers: A1725012982, A 172 501 29 82
• Category: Coolant Hoses

Purpose and function in the cooling system

The described radiator hose is a system component that ensures controlled coolant flow in the Mercedes SLK R172. A properly selected radiator hose reduces the risk of engine overheating, leaks, and cooling efficiency loss, which directly impacts the durability of the powertrain and the vehicle's operational comfort.

The element was designed specifically for the Mercedes brand, ensuring it maintains the correct geometry, connection diameters, and fitment for factory mounting points in the engine bay. This type of hose operates under variable thermal and pressure conditions, which is why its construction is adapted to the loads typical for cooling systems in premium class cars.

Benefits of using an original radiator hose

Using an original radiator hose in the Mercedes SLK R172 allows for maintaining the factory parameters of the cooling system. Key advantages of this solution include:

• secure fitment to radiator ports and other system components,
• stable coolant flow under typical operational loads,
• preservation of the factory hose routing in the engine bay,
• reduction of the risk of leaks resulting from the use of ill-fitting replacements.

Thanks to this, the cooling system can operate in a predictable manner, which helps maintain the proper engine temperature during city driving, highway driving, and in high ambient temperature conditions.

Product characteristics and condition

The offered element belongs to the Cooling system hoses and pipes group and comes from original Mercedes vehicle equipment. The product has an assigned factory designation OEM part number as well as appropriate interchangeable numbers, which facilitates compatibility verification with a specific engine version and model year of the SLK R172.

The part is marked as used, which in practice means it comes from vehicle dismantling and has been verified for suitability for further use. For many users, this represents a favorable compromise between repair costs and maintaining the original technical specification of the cooling system.

Selection and practical application

Before installing the radiator hose in the Mercedes SLK R172, it is recommended to compare the shape, connection diameters, and routing method with the currently installed element. Proper component selection allows avoiding tension, twisting, or kinking of the hose, which could restrict coolant flow.

In practice, the installation of such a hose includes:

• draining the coolant from the system,
• removing the old hose along with the fastening clamps,
• inspecting the ports for corrosion and contamination,
• installing the hose in the factory routing points,
• bleeding the system after refilling with fresh coolant.

A correctly performed replacement restores the tightness and efficiency of the cooling system, which is particularly important in cars used in conditions of large temperature fluctuations.

Technical support and related content

During the summer period, the cooling system in the Mercedes SLK R172 operates under particularly demanding conditions. If you want to better understand the impact of high temperatures on the efficiency of the radiator, hoses, and fans, and learn about savings opportunities using dismantled parts, check out the guide: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

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 lines, hoses, or radiator connectors, check the available parts in the category Mercedes cooling system hoses and pipes.