Mercedes W205 W213 W247 W447 Auxiliary Coolant Water Pump A0005003800

Mercedes W205 W213 W247 W447 Auxiliary Coolant Water Pump is an original part from the Water pumps category, designed for use in modern Mercedes C-Class, E-Class, and Vito/V-Class models. Thanks to its factory design, it ensures proper coolant circulation, stabilizing the engine's operating temperature and supporting the safe operation of the vehicle.

Specifications and technical data

• SKU: A0005003800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0005003800
• Substitutable numbers: A0005003800, A 000 500 38 00
• Category: Water Pumps

Purpose and function in the cooling system

The presented water pump has been designed specifically for the W205, W213, and W447 platforms, which translates into a precise fit for the cooling system and engine accessories. It is responsible for the forced circulation of coolant between the engine block, cylinder head, and heat exchanger, maintaining stable thermal conditions across a wide range of loads.

A properly selected water pump reduces the risk of overheating, improves the durability of seals, the cylinder head, and accessories, and supports the smooth operation of the engine in both city traffic and highway driving. Using an original Mercedes solution allows you to maintain the parameters specified by the vehicle manufacturer.

Benefits of using an original Mercedes water pump

Using this water pump to replace a worn-out part brings a number of practical operational benefits:

• factory-spec rotor and housing geometry ensuring proper coolant flow across the entire RPM range,
• compatibility with factory engine accessories and the cooling system dedicated to the W205, W213, and W447,
• maintenance of operating parameters specified by the manufacturer, without the need for system modifications,
• consistency with service documentation and workshop procedures for Mercedes vehicles.

As a result, installation is straightforward, and the risk of fitment issues or leaks is minimized. This solution is particularly beneficial for workshops specializing in the Mercedes brand and for users who expect predictable cooling system performance.

Installation and operational characteristics

The water pump for the W205, W213, and W447 is structurally prepared for installation in place of the factory component, while retaining the original mounting points and cooling system connections. This facilitates the mechanic's work and reduces replacement time, which is important in both authorized service centers and independent workshops.

The appropriate design of the housing and rotor promotes stable operation under typical road conditions, including frequent starts, load changes, and long-distance driving. A properly functioning water pump also supports the efficiency of the interior heating system, as it ensures constant fluid flow through the heater core.

Condition and service application

The offered water pump is a component removed from a vehicle, making it an attractive cost-effective alternative to new parts while maintaining the original manufacturer's specifications. Such components are frequently used in professional workshops for routine repairs, optimizing fleet service costs, and restoring the efficiency of heavily used vehicles.

It is always worth verifying the selection of the water pump for a specific engine version and vehicle year using the OEM number or a parts catalog to ensure full compatibility with the specific car configuration.

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 coolant pumps, cooling circuit elements, or related thermal system components, check out the available parts in the Mercedes water pumps category.

Technical support and service knowledge

To better plan service work on fuel supply systems and engine accessories, it is worth using expert materials regarding diagnostics and component selection based on OEM and VIN numbers. Practical tips, tables, and answers to frequently asked questions can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which helps organize knowledge about the interaction of individual subassemblies in modern power units.