Mercedes W205 X253 W212 Thermostat Pipe Coolant Hose Petrol M274 A2742000615

Mercedes W205 X253 W212 Thermostat Pipe Coolant Hose is an original cooling system component designed for petrol engines, ensuring stable coolant flow between the thermostat and the radiator. Thanks to its factory geometry and precisely selected connection diameters, the hose works seamlessly with the standard engine bay layout, maintaining proper fluid circulation and supporting the safe operation of the power unit. It is a practical solution for users and workshops looking to restore cooling system efficiency without compromising on fitment.

Specifications and technical data

• SKU: A2742000615-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2742000615
• Substitutable numbers: A2742000615, A 274 200 06 15, A 274 200 33 00, A2742003300
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and function in the cooling system

The presented pipe belongs to the Cooling system pipes and hoses category and is used in Mercedes vehicles equipped with the M274 petrol engine. It is responsible for the precise connection between the thermostat and the radiator, allowing for controlled coolant flow depending on the engine's operating temperature. A properly selected hose in this area is crucial for:

• maintaining a stable operating temperature of the petrol engine,
• reducing the risk of overheating in both city and highway driving conditions,
• maintaining system tightness under variable thermal loads,
• proper cooperation with the thermostat and radiator in the specific body model.

Construction and fitment for the M274 unit

The geometry of the pipe has been designed for the specific layout of components in the engine bay, which facilitates installation and minimizes stress on the thermostat and radiator ports. Properly profiled hose sections allow for:

• collision-free routing near other components,
• maintaining required bending radii without cross-section kinking,
• stable mounting in factory brackets and guides. As a result, the coolant hose for the M274 engine serves as a functional replacement for the component factory-fitted in Mercedes vehicles of this series.

Application in Mercedes vehicles with petrol engines

The component is intended for use with the cooling system in Mercedes cars with body types such as W205, X253, or W212, equipped with the M274 petrol engine. Using this pipe in this specific body-engine configuration allows for:

• maintaining the original coolant flow path,
• proper system bleeding after replacement,
• maintaining factory operating parameters of the thermostat and radiator. This solution is particularly useful for post-failure repairs, radiator or thermostat replacement, or comprehensive cooling system maintenance in petrol-powered vehicles.

Characteristics of the used component

The offered pipe is a used component, which allows for economical repair while maintaining the manufacturer's original specifications. In practice, this means:

• factory fitment to ports and brackets in the given model,
• preservation of the correct structural rigidity and flexibility,
• possibility of installation as a direct replacement for a worn or damaged hose. For workshops and users looking for a cost-effective solution, the original Mercedes cooling system pipe in a used condition is a practical alternative to new components.

Technical support and additional information

To better understand the impact of a functional thermostat pipe and coolant hose on the durability of the power unit, it is worth reading the guide on cooling system diagnostics and repair – you can find it in the article Engine cooling system – overheating, repair, and used radiators, which discusses, among other things, the consequences of overheating and the importance of proper coolant flow. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional pipes, return hoses, or radiator connections, check the available parts in the Mercedes cooling system pipes and hoses category. When purchasing used cooling system components online, a practical shopping guide may also be helpful, available in the material Safe purchase of used car parts online – a step-by-step guide, which discusses, among other things, selecting parts by catalog numbers and verifying compatibility with a specific vehicle.