Engine Cooling Radiator Mercedes W204 W207 SLK R172 Water Coolant A0995002603

Engine Cooling Radiator Mercedes W204 W207 SLK R172 Water Coolant is an original cooling system component from the Water Radiators group, designed for precise integration with the powertrain in Mercedes vehicles. It ensures stable heat dissipation from the engine, which translates into a safe operating temperature and reduces the risk of overheating during city and highway driving.

Specifications and technical data

• SKU: A0995002603
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0995002603
• Substitutable numbers: A0995002603, A 099 500 26 03
• Category: Radiators

Function and role of the radiator in the Mercedes cooling system

The presented water radiator is responsible for efficient heat exchange between the coolant and the air flowing over the front of the vehicle. A properly selected radiator maintains a stable engine operating temperature, which supports:

• maintaining the correct viscosity of engine oil,
• reducing the phenomenon of engine knocking,
• decreasing thermal loads on the cylinder head and engine block,
• extending the service life of gaskets, hoses, and other cooling system components.

Thanks to a design tailored to the specific Mercedes platform, the radiator works with the factory fan, shroud, and hoses, which facilitates installation and subsequent maintenance.

Compatibility with Mercedes W204, W207, and SLK R172

The radiator has been designed for use in popular Mercedes C-Class W204, E-Class Coupe/Cabrio W207, and the SLK R172 roadster models. This means it fits factory mounting points, has the correct geometry of connection ports, and is compatible with the equipment characteristic of these generations.

Choosing an original water radiator for a specific Mercedes platform minimizes the risk of leaks, installation stress, and cooling system venting issues, which is particularly important during intensive use or driving in high ambient temperatures.

Characteristics of the used water radiator

The offered radiator comes from the used parts segment, which allows for combining a favorable purchase cost with the preservation of factory design and fitment. In practice, this means:

• preservation of the original flow channel geometry,
• compatibility with serial brackets and the front frame,
• possibility of installation without the need for structural modifications.

Choosing a used water radiator is a solution often used in professional workshops, especially during post-accident repairs or when restoring a car to full efficiency after a cooling system failure.

Benefits of using an original water radiator

Using an original water radiator in a Mercedes translates into a number of practical operational benefits:

• Stable engine operating temperature – proper heat dissipation reduces the risk of overheating in traffic jams and under heavy load.
• Better cooperation with engine electronics – the ECU can more precisely manage fuel injection and ignition when the cooling system operates in a predictable manner.
• Reduction of future repair costs – an efficient cooling system reduces the risk of damage to the head gasket, cylinder head deformation, or cracks in aluminum components.
• Factory fitment – no need for adapters, additional seals, or hose modifications.

Technical support and knowledge about the cooling system

To better understand the impact of a functional radiator on the durability of the powertrain and the symptoms of overheating, it is worth checking out the guide on cooling system diagnostics and repair – it is discussed in detail in the article Engine cooling system – overheating, repair, and used radiators.

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 radiator cores, side tanks, or cooling modules, check the available parts in the Mercedes Water Radiators category.

For users interested in an economical and environmentally conscious approach to car service, additional information on the advantages of using dismantled parts is provided in the article Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?.