Mercedes W204 M271 Heater Water Coolant Pump Control Unit Valve A2712030164

Mercedes W204 M271 Heater Water Coolant Pump Control Unit Valve is a precision component of the cooling and heating system, responsible for controlling the operation of the water pump in the M271 engine. Thanks to its factory design for the Mercedes brand, it ensures proper coolant circulation, stable engine temperature, and predictable operation of the cabin heating system. This used OEM component is a sensible choice for professional repairs where compliance with factory specifications and cost control are essential.

Specifications and technical data

• SKU: A2712030164
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2712030164
• Substitutable numbers: A2712030164, A 271 203 01 64
• Category: Heater Control Valve

Function and application of the water pump control valve

The presented valve operates within the cooling and heating system, where it is responsible for controlling the flow of coolant in the M271 engine used in Mercedes W204 class models. A properly functioning component of this type:

• stabilizes engine operating temperature under various load conditions,
• supports the efficient operation of the heater and interior heating system,
• ensures a predictable system response to control signals from the vehicle's electronics,
• reduces the risk of engine overheating.

Due to its fitment for the specific W204 configuration with the M271 engine, the valve works with the factory control system, which facilitates diagnostics and subsequent maintenance.

Benefits of using an original Mercedes component

Choosing a valve from the Heater control valves group dedicated to the Mercedes W204 with the M271 engine allows for maintaining the integrity of the entire cooling and heating system. The original design ensures:

• connection geometry compatible with factory piping and hoses,
• proper coolant flow characteristics,
• compatibility with the factory engine and heating system controls,
• easier installation without the need for system modifications.

The used OEM component is also an opportunity to optimize repair costs while maintaining high quality and predictable system performance.

Condition, selection, and installation

The offered valve is a secondary market component, which allows for an economical repair of the cooling and heating system in a Mercedes W204 with an M271 engine. When selecting parts, it is worth paying attention to:

• compatibility with the M271 engine version in the specific W204 unit,
• the type of heating and cooling system used,
• fault history – especially in cases of problems with engine operating temperature or cabin heating.

It is recommended to entrust the installation to a workshop familiar with the specifics of Mercedes models, which will facilitate proper system bleeding and verification of correct operation after replacement. A properly selected and installed valve restores stable cooling system operation and thermal comfort inside the vehicle.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the cooling and heating system area in your Mercedes and need other elements from the same group, such as additional valves, flow controllers, or heater control modules, check the available parts in the Mercedes heater control valves category.

To better understand the importance of exhaust and fluid flow control elements in modern engines and to make informed decisions about choosing secondary market components, it is worth reading the article EGR: what it is and why it is worth considering used EGR valves, which discusses practical aspects of operating and selecting used components.

If you want to take a broader look at the use of secondary market parts in the context of economy and the environment, the entry Eco-driving: discover the benefits of used car parts will also be helpful, showing how conscious selection of used components can support sustainable vehicle operation.