Coolant Hose Mercedes C238 M256 Right Cooler Radiator Water Hose A2135007200

Coolant Hose Mercedes C238 M256 Right Cooler Radiator Water Hose is an original cooling system component designed for precise fluid routing in the right side of the engine bay. Thanks to its factory-fit for the specific Mercedes generation, it ensures stable thermal operating conditions for the powertrain and reduces the risk of leaks. This is a solution for users who expect consistency with the factory cooling system design and want to maintain its intended performance.

Specifications and technical data

• SKU: A2135007200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2135007200
• Substitutable numbers: A2135007200, A 213 500 72 00, A21350107 02, A 213 501 07 02, A 213 501 09 02, A2135010902
• Location on the vehicle: Right
• Category: Coolant Hoses

Purpose and function in the cooling system

The presented hose belongs to the Cooling system pipes and hoses category and is responsible for transporting coolant in the right part of the vehicle. A properly selected hose in this area is crucial for:

• maintaining proper fluid flow between cooling system components,
• stabilizing the temperature of the M256 engine under various load conditions,
• reducing the risk of engine overheating during city and highway driving.

The placement on the right side of the vehicle allows for maintaining the original hose routing, which is important both for proper fluid circulation and for service ergonomics in the engine bay.

Compatibility and identification parameters

The hose was designed by the Mercedes brand as a component matched to the cooling system architecture in W238 series models with the M256 engine. Appropriate manufacturer markings, including the OEM part number and related interchangeable numbers, facilitate unambiguous component identification and verification of compatibility with a specific vehicle configuration.

Thanks to this, a mechanic or user can quickly confirm that the given hose meets the technical requirements of the specific car, without the need to modify the cooling system routing.

Installation and performance characteristics

The hose is designed for installation in the right part of the vehicle, which allows for maintaining the factory hose routing and proper distances from heating and moving elements. Such a fit promotes:

• maintaining proper hose flexibility during engine operation and body vibrations,
• minimizing stress at mounting points,
• maintaining the tightness of connections with radiator ports and other system components.

The product is offered in used condition, which allows for an economical replacement of the component while maintaining the original design specification. This solution is particularly beneficial for repairs where compliance with the factory design and control of service costs are important.

Thermal safety and cooling system diagnostics

A functional radiator hose has a direct impact on engine thermal safety. Leaks, pressure drops, or hose deformations can lead to engine overheating and, consequently, costly repairs. Therefore, when replacing components in this area, it is worth paying attention to:

• the absence of cracks and abrasions on the hose surface,
• the condition of the hose ends at the connection points with other components,
• proper positioning after installation, without excessive twisting or kinking.

To better understand the impact of cooling hoses on engine longevity and the symptoms of overheating, it is worth reading an article describing the practical aspects of cooling system maintenance – you can find it in the material Engine cooling system – overheating, repair, and used radiators.

Expanding Mercedes cooling system service

If you are planning a comprehensive repair or upgrade of the engine 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 the available parts in the Mercedes cooling system pipes and hoses category.