Engine Cooling Radiator Mercedes C207 W204 W212 S204 Water Radiator A2045002803

Visual condition of the part

The product shows signs of use visible in the photos.

Engine Cooling Radiator Mercedes C207 W204 W212 S204 Water Radiator is a cooling system component designed for the C207, W204, W212, and S204 series models. It is responsible for stabilizing the engine's operating temperature, ensuring even heat dissipation from the engine and safe operating conditions for the entire system. Thanks to a design consistent with factory solutions, the Engine Cooling Radiator Mercedes C207 W204 W212 S204 Water Radiator allows for a technically correct replacement of a worn-out component without interfering with the vehicle's original architecture.

Specifications and technical data

• SKU: A2045002803
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045002803
• Substitutable numbers: A2045002803, A 204 500 28 03
• Category: Radiators

Purpose and function in the cooling system

The presented water radiator is part of the engine cooling system in the listed generations of Mercedes C-Class and E-Class vehicles. Its task is to effectively transfer heat from the coolant to the surroundings, which reduces the risk of engine overheating, performance drops, and accelerated wear of components. Using a design consistent with the factory specifications translates into proper fluid flow, adequate heat exchange surface, and stable cooperation with other system elements (pump, thermostat, hoses).

Benefits of using an original water radiator

Choosing a radiator from the Water radiators category dedicated to Mercedes allows you to maintain cooling system performance parameters close to factory standards. The appropriate geometry of the core and connection ports facilitates installation in place of the old component without the need for system modifications. Maintaining the correct engine operating temperature contributes to:

• stable engine operation across a wide load range,
• reduced risk of damage to seals and cylinder head components,
• more predictable fuel and oil consumption,
• safe cooperation with engine accessories.

The item comes from a used vehicle, which represents a reasonable compromise between repair costs and maintaining compliance with the manufacturer's solutions. For many Mercedes owners, this is a practical way to restore the efficiency of the cooling system within a controlled budget.

Condition, fitment, and installation aspects

The radiator is offered as a used part, which in practice means that before installation, it is recommended to perform a standard verification of tightness and flow channel cleanliness. Thanks to the preservation of the factory shape and mounting points, installation in compatible Mercedes models is orderly and predictable for the workshop. Replacing a worn-out radiator with a functional unit of this type is one of the most effective ways to solve problems with engine overheating, decreased cabin heating efficiency, or unstable radiator fan operation.

How to maintain the cooling system with a used radiator

To maximize the potential of the installed water radiator, it is worth performing full cooling system maintenance after installation: replace the coolant with a product of appropriate parameters, bleed the system, and check the condition of hoses and clamps. Regular monitoring of the engine operating temperature and visual inspection of the radiator for leaks and debris allows for early detection of any irregularities. It is also good practice to periodically flush the system, which reduces sediment buildup in the radiator channels and improves heat exchange.

If you want to better understand the impact of a functional radiator on engine longevity and the symptoms of overheating, it is worth checking out our guide: Engine cooling system – overheating, repair, and used radiators. This is a practical supplement to your knowledge when planning a repair on your Mercedes.

Expanding the repair – other Mercedes cooling system components

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 radiators, coolant hoses, or expansion tanks, check out the available parts in the Mercedes water radiators category.

Summary

The Engine Cooling Radiator Mercedes C207 W204 W212 S204 Water Radiator is a technically matched cooling system component that allows you to restore the correct engine operating temperature and reduce the risk of costly failures. Using an original design, consistent with the manufacturer's solutions, facilitates installation and ensures predictable vehicle behavior after the repair. It is a functional choice for users who expect efficient, orderly cooling system service for their Mercedes.