Mercedes W205 C205 Coolant Radiator Pipe Hose Line A2055012200

Mercedes W205 C205 Coolant Radiator Pipe Hose Line is an original cooling system component designed for the precise routing of coolant between the radiator and other engine components. Thanks to its factory-spec geometry and perfect fit for the W205/C205 platform, the hose ensures stable thermal conditions for the power unit and supports the seamless operation of the entire system. This solution is particularly beneficial for repairs where compliance with factory specifications and predictable component performance are essential.

Specifications and technical data

• SKU: A2055012200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055012200
• Substitutable numbers: A2055012200, A 205 501 22 00, A 205 501 70 00, A2055017000
• Part type: Hose
• Category: Coolant Hoses

Technical characteristics of the coolant radiator pipe

The hose belongs to the Cooling system pipes and hoses group, meaning it is responsible for transporting coolant in the circuit between the radiator and the engine. Its precisely selected shape and internal diameter minimize pressure drops and the risk of local flow turbulence, which translates into a stable operating temperature for the engine. The hose construction is designed for specific mounting points on the chassis and engine, ensuring the component does not rub against adjacent parts and maintains proper flexibility during engine operation.

Its original Mercedes origin ensures adherence to factory dimensional tolerances, compatibility with stock clamps and connectors, and predictable material behavior over a long service life. This is particularly important in vehicles where the cooling system operates under high pressure and across a wide temperature range.

Function in the cooling system and benefits of use

The coolant radiator pipe in W205/C205 models is responsible for maintaining a tight, closed coolant circuit. A correctly selected component:

• ensures stable fluid flow between the radiator and the engine,
• limits the risk of engine overheating,
• reduces the possibility of micro-leaks at connections,
• facilitates service thanks to factory mounting points.

Using an original hose is particularly beneficial in cars where consistency of operating parameters and maintaining the manufacturer's designed thermal characteristics are important. Precise fitment to the cooling system reduces installation time and minimizes the risk of errors during replacement.

Component condition and service application

The offered hose is in Used condition, meaning it has been removed from a vehicle and was previously in service. This type of component can be a cost-effective solution for routine repairs, especially when the priority is to maintain original geometry and compatibility with the factory system. In workshop practice, used hoses of this type are often used as replacements for mechanically damaged, perished, or deformed parts.

Before installation, a standard visual inspection for signs of excessive wear, mechanical damage, and the condition of the ports and sealing surfaces is recommended. A properly selected and verified hose allows for the restoration of correct coolant circulation without the need to interfere with other system components.

Selection and compatibility in Mercedes vehicles

When selecting a coolant radiator pipe for a Mercedes W205/C205, it is crucial to match it to the specific engine configuration and vehicle model year. An original component from the same product family ensures compatibility with factory brackets, routing in the engine bay, and connectors on the radiator and block. In service practice, it is also important to consider available interchangeable part numbers, which help confirm compatibility with a given body and engine version.

To increase confidence in your selection, it is worth comparing the shape and arrangement of the ports with the part removed from the vehicle. Consistency of geometry and mounting points translates into a lack of hose tension after installation and longer, more stable cooling system operation in daily use.

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 pipes, return hoses, or sections connecting to the radiator, check out the available parts in the Mercedes cooling system pipes and hoses category.

Expert support and operation of thermal systems

When working on the cooling system, it is worth remembering that cabin thermal comfort is also affected by the efficiency of the air conditioning. In situations where there is a lack of cooling, a guide on selecting and verifying used components may be helpful. You can find practical tips in the article Lack of cooling in the car: an original used A/C compressor as a proven alternative to expensive new parts, which discusses, among other things, the principles of safely using used OEM components.