Mercedes W205 W274 Water Pump Coolant Colling Pump A2742000207

Mercedes W205 W274 Water Pump Coolant Colling Pump is an original cooling system component from the Water pumps group, designed for Mercedes C-Class W205 series models and W274 engine family units. This used pump is a functional service solution that allows for the restoration of proper coolant circulation and stable engine operating temperature while maintaining factory specifications. It is a practical choice for users looking for parts with a proven design and fitment consistent with the manufacturer's standards.

Specifications and technical data

• SKU: A2742000207
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2742000207
• Substitutable numbers: A2742000207, A 274 200 02 07
• Category: Water Pumps

Function and application of the water pump in the Mercedes W205 / W274

The water pump in the Mercedes cooling system is responsible for the forced circulation of coolant between the engine block, cylinder head, radiator, and other thermal components. A properly functioning pump:

• stabilizes the operating temperature of the power unit under various load conditions,
• reduces the risk of engine overheating during city and highway driving,
• supports uniform heat dissipation from critical engine zones.

Thanks to a design consistent with Mercedes factory standards, this water pump works with original engine accessories, ensuring proper pressure and coolant flow efficiency.

Benefits of using an original Mercedes water pump

Using an original water pump in a Mercedes W205 / W274 translates into a number of practical operational benefits. The most important include:

• Factory fitment – the geometry of the body, connectors, and mounts is consistent with the manufacturer's solutions, which facilitates installation and minimizes the risk of leaks.
• Stable cooling system operation – properly selected pump efficiency supports uniform engine cooling across the full RPM range.
• Compatibility with engine accessories – the pump works with original hoses, the radiator, and other cooling system components.

For users who want to maintain engine performance parameters close to factory settings, choosing an original water pump is a technically sound and long-term beneficial solution.

Product characteristics and fitment

The presented water pump has been designed specifically for the power units used in the Mercedes C-Class W205 generation and the W274 engine family. This means that:

• the design is adapted to the installation space in the engine compartment of these models,
• mounting points are consistent with factory brackets and supports,
• the flow and direction of fluid circulation correspond to the assumptions of the Mercedes cooling system.

A used pump can be a good solution in situations where the priority is to restore the efficiency of the cooling system while maintaining reasonable service costs and keeping the original design specifications.

Product condition and installation aspects

The water pump offered in this listing is a used item, which allows for an economical repair of the cooling system while maintaining the original build quality characteristic of the Mercedes brand. Before installation, it is recommended to perform a standard verification of tightness, clearances, and the condition of the impeller and seals, in accordance with service procedures used in professional workshops.

When replacing the pump, it is also worth checking the condition of the cooling hoses, clamps, radiator, and the quality of the coolant itself to fully utilize the potential of the newly installed component and reduce the risk of further service downtime.

Cooling system expansion and parts selection

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 pumps, housings, or components working with the fluid circuit, check the available parts in the Mercedes water pumps category.

When selecting cooling system components and engine accessories, expert materials regarding the servicing of Mercedes units may also be helpful – you will find practical tips in the article Reliability under the star sign – how to take care of engine accessories in popular Mercedes-Benz C-Class and E-Class models?, and in the context of pump operation and fuel system diagnostics, it is also worth reading the guide Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.