Mercedes C118 W177 W205 W213 W247 Auxiliary Coolant Water Pump A0005003500

Mercedes Auxiliary Coolant Pump for models C118, W177, W205, W213, and W247 is an original cooling system component, designed for precise integration with the factory installation. As part of the water pumps category, it supports coolant circulation under critical engine and accessory operating conditions, stabilizing temperature and improving engine running smoothness. A used OEM component is a sensible choice for drivers seeking a proven, factory-fitted solution instead of random aftermarket replacements.

Specifications and technical data

• SKU: A0005003500
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0005003500
• Substitutable numbers: A0005003500, A 000 500 35 00, 0392023408, 0 392 023 408
• Category: Water Pumps

Application and Function in the Cooling System

The auxiliary coolant pump in Mercedes C118, W177, W205, W213, and W247 models is responsible for assisting the main coolant circulation when the standard mechanical pump does not provide sufficient flow. This is particularly relevant for:

• engine operation at idle and low RPM,
• heat dissipation after engine shutdown,
• cooperation with thermal comfort systems (e.g., cabin heating),
• stabilizing accessory temperatures under heavy load conditions.

This ensures the cooling system maintains a greater performance reserve, and components prone to overheating operate under more predictable conditions.

OEM Construction and Fitment for Mercedes C118 / W177 / W205 / W213 / W247

The offered pump belongs to the group of original Mercedes parts, meaning it adheres to factory manufacturing standards and compatibility. Its construction is prepared for installation in specific body platforms, without requiring modifications to the system or custom-made mounts.

Key benefits of using an original auxiliary coolant pump:

• factory mounting points matched to designated locations in the engine bay,
• compatibility with standard electrical connectors and coolant hoses,
• operating parameters tailored to the engine control unit and cooling system maps,
• preservation of the manufacturer's designed flow characteristics.

Such precise fitment minimizes the risk of leaks, installation errors, and improper cooling system operation.

Condition, Verification, and Preparation for Installation

The pump is a used component, meaning it has been removed from a vehicle and verified for its suitability for further use. This type of component is particularly attractive for users who want to maintain their car in good technical condition while controlling service costs.

Before installation, it is recommended to:

• check the tightness of connections with coolant hoses,
• verify the correctness of electrical supply and control signals,
• bleed the cooling system after installation, following the service procedure for the specific model.

This approach minimizes the risk of repeat disassembly and allows for the full utilization of the pump's potential.

Benefits of Using an Original Mercedes Water Pump

The use of this auxiliary coolant pump translates into several practical advantages in daily operation:

• more stable engine operating temperature in city traffic and congestion,
• better heat dissipation after spirited driving,
• more predictable cabin heating system performance,
• compliance with factory settings of the control unit and temperature sensors.

This provides the driver with a greater thermal safety margin, and engine and accessory components are less exposed to extreme operating conditions.

Part Selection by Numbers and Technical Support

The auxiliary coolant pump for Mercedes C118, W177, W205, W213, and W247 has a dedicated OEM part number and associated interchangeable numbers, facilitating precise component identification. When selecting a part, it is advisable to use the vehicle identification number (VIN) and service documentation to ensure that the specific pump version matches the particular engine and equipment configuration.

If you want to better understand how to correctly select and diagnose engine fuel and accessory components, the following blog article will be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. Here you will find practical tips on working with OEM numbers, diagnostics, and component refurbishment.

If you are also looking for other Mercedes water pumps compatible with various models of this brand, check out our dedicated category: Mercedes Water Pumps. This will allow you to easily compare available options and choose the solution that best suits your vehicle.