Description
Mercedes-Benz C E Class W204 W207 Air Conditioning Radiator Coolant Hose is an original component from the Cooling system hoses and pipes group, designed for operation in the coolant and refrigerant circulation system. Engineered by the vehicle manufacturer, it ensures proper routing of the working medium, stable system pressure, and correct integration with the radiator and other air conditioning components.
Specifications and technical data
- SKU: rhd-A2048302496
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2048302496
- Substitutable numbers: A2048302496, A 204 830 24 96, BG
- Category: Coolant Hoses
Purpose and function in the cooling system
This hose has been developed specifically for Mercedes C-Class W204 and E-Class W207 models, where it is responsible for transporting the medium in the area of the air conditioning radiator and the cooling system. A properly selected hose helps maintain stable engine and air conditioning operating parameters, reduces the risk of overheating and leaks, and supports uniform temperature distribution throughout the entire circuit.
Thanks to its factory geometry and internal diameter, the hose ensures:
- proper flow of the refrigerant or coolant,
- correct fitment to the radiator connectors and other system components,
- stable operation under typical thermal and pressure loads in Mercedes W204 and W207 vehicles.
Construction and fitment for Mercedes W204 / W207
The original design of the hose is adapted to the factory routing of the installation in the engine bay, which facilitates assembly and minimizes the risk of stress. The shape, length, and placement of the ends have been designed for specific mounting points on the body and the radiator, so the element does not require modifications or forced fitting.
Precise fitment with the cooling and air conditioning system translates into less load on other components, reduced vibrations, and improved connection tightness. This is particularly important in Mercedes vehicles, where the cooling and air conditioning system operates under demanding temperature and pressure conditions.
Condition, service application, and benefits of installation
The item comes from disassembly and is offered as a used part, which allows for an economical repair of the system while maintaining the manufacturer’s original specifications. In practice, this means the ability to restore the proper operation of the air conditioning and radiator without the need to invest in more expensive replacements with uncertain fitment.
Replacing the cooling and air conditioning system hose is recommended in situations such as:
- confirmed leaks of refrigerant or coolant in the vicinity of the radiator,
- visible cracks, fissures, or deformations of the old hose,
- post-accident repair of the vehicle’s front end, involving the radiator and associated components.
Maintaining the tightness of the cooling system has a direct impact on the durability of the power unit, stable operating temperature, and air conditioning efficiency, which translates into driving comfort and operational safety.
Technical support and knowledge about the cooling system
If you want to better understand how a properly functioning cooling system affects engine longevity and when it is worth replacing hoses and the radiator, check out the article: Engine cooling system – overheating, repair, and used radiators. This is a practical supplement to your knowledge when planning service work on your Mercedes.
If you are considering the choice between new and used cooling and air conditioning system components, the following guide may also be helpful: Car parts – new or used? Comparing costs, quality, and durability, which discusses the differences in costs, availability, and durability of individual solutions.
Related Mercedes cooling system hoses and pipes
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 the radiator to the engine, check out the available parts in the Mercedes cooling system hoses and pipes category.






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