Mercedes-Benz E-Class W211 S211 Water Coolant Hose Pipe Radiator A2119970482

Mercedes-Benz E-Class W211 S211 Water Coolant Hose Pipe Radiator is an original component from the Cooling system hoses and pipes group, designed for operation in the factory engine cooling system. This used OEM component ensures proper coolant flow between the radiator and other system elements, supporting a stable operating temperature for the engine unit.

Specifications and technical data

• SKU: A2119970482
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2119970482
• Substitutable numbers: A2119970482, A 211 997 04 82, AS
• Category: Coolant Hoses

Purpose and technical function

This hose has been specifically designed for the Mercedes-Benz E-Class W211 generation and S211 estate models as a cooling system component that works with the radiator. It is responsible for the controlled flow of coolant, which directly impacts maintaining optimal engine temperature, reducing the risk of overheating, and ensuring even heat dissipation.

Thanks to its factory geometry and fitment for the original radiator connectors and other components, the hose maintains proper connection tightness and minimizes mechanical stress in the engine bay.

Advantages of using an original radiator hose

Choosing an original cooling system hose for the Mercedes E-Class W211/S211 primarily offers:

• reliable fitment to factory mounts and connector diameters,
• preservation of the coolant flow path as designed by the manufacturer,
• stable cooling system operation under typical operating conditions,
• reduced risk of leaks resulting from the use of generic replacements.

A used OEM component is a reasonable compromise between cost and quality – it allows you to maintain the original operating characteristics of the cooling system at a lower cost than a new part.

Condition of the component and assembly aspects

The hose comes from dismantling and is a used product, which in practice means that before installation, it is worth verifying its surface for any signs of wear typical for this type of component. Maintaining proper flexibility and the absence of visible cracks or abrasions is crucial for the safe operation of the cooling system.

Due to its factory origin, installation in a Mercedes E-Class W211 or S211 is similar to plug-and-play: the hose is matched in shape and diameter, which facilitates seating on the radiator connectors and other system elements. It is recommended to use functional hose clamps and to bleed the system after replacement.

Cooling system operation and practical knowledge

To maximize the potential of this hose, it is worth ensuring regular checks of the coolant level, connection tightness, and engine operating temperature. During periods of high temperatures, the efficient operation of the entire cooling system is particularly important – from hoses and the radiator to the fans.

More practical tips regarding cooling system operation on hot days and ways to save on maintenance can be found in the guide Summer heat vs. cooling system – used radiators and fans as a way to reasonable savings, which will help you better plan your car's service.

Expanding the cooling system in the Mercedes E-Class

If you are planning a comprehensive repair or modernization 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 radiator, check the available parts in the Mercedes cooling system hoses and pipes category.

This approach allows you to replace several critical components in one service stage, which reduces the risk of future leaks and makes it easier to maintain stable engine operating parameters in your Mercedes E-Class.