Mercedes R170 W202 C208 W210 Engine Water Cooling Coolant Radiator A2025002203

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes R170 W202 C208 W210 Engine Water Cooling Coolant Radiator is an original cooling system component designed for Mercedes vehicles with petrol engines. A used radiator from this series ensures stable heat dissipation from the engine, which translates into a safe operating temperature for the powertrain and a lower risk of overheating in demanding road conditions.

Specifications and technical data

• SKU: A2025002203
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2025002203
• Substitutable numbers: A2025002203, A 202 500 22 03
• Fuel type: Petrol
• Category: Radiators

Purpose and function in the cooling system

The presented water radiator belongs to the Water Radiators category and is structurally matched to Mercedes models from the R170, W202, C208, and W210 series with petrol engines. Its task is to effectively transfer heat from the coolant to the environment, ensuring the engine maintains an optimal operating temperature both in city traffic and during highway driving.

A properly selected water radiator supports:

• stable operation of the thermostat and radiator fan,
• maintenance of proper pressure in the cooling system,
• reduction of the risk of damage to the head gasket and other engine components.

Benefits of using an original Mercedes radiator

The original water radiator intended for specific Mercedes generations ensures a perfect fit in terms of dimensions, connection ports, and mounting points. As a result, installation is efficient, without the need for system modifications or the use of additional adapters.

Key advantages of this solution include:

• Compatibility with the factory cooling system – maintaining the original coolant flow geometry.
• Consistency with the operating parameters of petrol engines used in these models.
• Ability to use existing mounts, hoses, and accessories without interfering with the vehicle's structure.

Characteristics of the used radiator

This item comes from the used parts group, which allows for an economical repair of the cooling system while maintaining the manufacturer's original specifications. This type of component is a good choice in situations where the existing radiator has developed leaks, become deformed, or lost its thermal efficiency.

In practice, replacing the water radiator is recommended, among other things, in the event of:

• visible coolant leaks from the core or side tanks,
• significant limescale buildup in the flow channels,
• mechanical damage caused, for example, by a collision.

Operation in petrol engines

The radiator has been designed for petrol-powered units, which means it is matched to the thermal characteristics of such engines. Proper heat exchange efficiency is particularly important when driving in high ambient temperatures, under prolonged engine load, and in city traffic with frequent stops in traffic jams.

After installation, it is recommended to:

• thoroughly bleed the cooling system,
• check the condition of hoses and clamps,
• replace the coolant in accordance with the vehicle manufacturer's recommendations.

Technical support and guide materials

To better plan the service of the cooling system in your Mercedes, it is worth using our guide materials. On our blog, you will find practical tips regarding the operation of the radiator and fans in high temperatures – we particularly recommend the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which discusses the impact of summer conditions on the efficiency of the cooling system and the cost-effectiveness of using used components.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other elements from the same group, such as radiator cores, side tanks, or additional cooling modules, check the available parts in the Mercedes Water Radiators category.