Mercedes R170 M111 Coolant Hose Radiator Engine Water Cooling Line A1705011182

Mercedes R170 M111 Coolant Hose Radiator Engine Water Cooling Line is an original water system component designed for operation between the radiator and the engine in models equipped with the M111 unit. Thanks to its factory geometry and precise fit for engine bay mounts, it ensures stable coolant routing and predictable performance of the entire system. This is a practical solution for users looking for a proven, used component with maintained functionality.

Specifications and technical data

• SKU: A1705011182
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1705011182
• Substitutable numbers: A1705011182, A 170 501 11 82
• Category: Coolant Hoses

Purpose and function in the cooling system

The offered hose belongs to the Cooling system hoses and pipes group, responsible for transporting coolant between key system components. In the case of the M111 engine in the Mercedes R170, this hose operates in the area connecting the radiator to the power unit, maintaining circuit tightness and the correct flow direction.

A properly selected cooling hose:

• reduces the risk of engine overheating under heavy load,
• ensures stable fluid flow across the full range of operating temperatures,
• minimizes the possibility of leaks at the connections with radiator and engine ports.

Construction and fit for Mercedes R170 M111

The hose has been designed specifically for the cooling system in the Mercedes R170 series with the M111 engine, which translates into correct routing in the engine bay and compatibility with factory brackets and clamps. The shape and diameter of the ends are adapted to the radiator and engine ports, which facilitates installation and limits the need for additional modifications.

By maintaining the original design, the hose works with the factory cooling system without changing its operating characteristics. This is especially important in vehicles where the repeatability of thermal parameters and compliance with service documentation are essential.

Characteristics of the used component

The offered hose is a used item, meaning it comes from disassembly but has been verified for suitability for further use. This type of part is a good choice for drivers who want to keep their car in good working order at reasonable service costs while maintaining the manufacturer's original specifications.

Choosing a used cooling hose allows for an economical repair without sacrificing the factory fit for a specific Mercedes model. This solution is particularly beneficial for comprehensive service work on older vehicles, where both functionality and cost-effectiveness are important.

Benefits of using an original cooling hose

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

• Factory fit for Mercedes R170 M111 – compatibility with the cooling system design and predictable behavior in road conditions.
• Stable water system operation – proper routing of coolant between the radiator and the engine.
• Reduced risk of leaks – matched ends and hose geometry facilitate correct installation.
• Economical repair – a used component allows for lower service costs while maintaining original specifications.

Technical support and additional materials

To better understand how operating conditions affect cooling system components, it is worth reading the guide describing the impact of high temperatures on engine cooling and the cost-effectiveness of using used components, such as radiators and fans – details can be found in the article 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 hoses, return lines, or sections connecting to the heater core, check the available parts in the Mercedes cooling system hoses and pipes category.