Radiator Cooler Mercedes W211 CLS C219 OM642 Engine Water Coolant A2115003402

Radiator Cooler Mercedes W211 CLS C219 OM642 Engine Water Coolant is an original cooling system component, specifically designed for efficient engine heat dissipation. Thanks to its factory-spec construction, it ensures stable operating temperatures for the powertrain, which translates into durability and operational safety. This solution is dedicated to drivers looking for a proven component that meets factory specifications for their Mercedes.

Specifications and technical data

• SKU: A2115003402
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115003402
• Substitutable numbers: A2115003402, A 211 500 34 02
• Category: Radiators

Purpose and function in the cooling system

The presented water radiator is a component of the cooling system for the OM642 diesel engine used in Mercedes E-Class W211 and CLS C219 models. Its task is to absorb thermal energy from the coolant and dissipate it into the environment, ensuring the engine operates within the optimal temperature range. A properly selected radiator reduces the risk of overheating, power loss, and accelerated wear of components.

Thanks to a design consistent with Mercedes factory standards, the component is compatible with original hoses, sensors, and accessories, which facilitates installation and minimizes the risk of leaks. This is particularly important in modern diesel units, where stable cooling also affects the operation of auxiliary equipment, including the turbocharger.

Construction and fitment for Mercedes W211 / CLS C219

The radiator has been designed for the specific bodywork and mounting system of the Mercedes E-Class W211 and CLS C219, ensuring proper fitment with the front crossmember, fan, and other front module elements. The appropriately selected core geometry and connection ports allow for the maintenance of factory coolant hose routing.

Its original Mercedes origin means compliance with factory dimensional tolerances and flow parameters. In practice, this translates into predictable cooling system behavior, no need for modifications, and easier diagnostics during future inspections.

Condition, verification, and benefits of use

The item belongs to the Water Radiators category and is offered as a used part, providing an attractive cost-effective solution while maintaining factory specifications. This type of component is particularly interesting for users who want to maintain the original cooling system configuration while reducing expenses compared to a new part from an authorized service center.

Using an original radiator to replace a worn or damaged unit allows for the restoration of proper coolant circulation, reduces the risk of leaks, and improves the operating temperature stability of the OM642 engine. This, in turn, affects the longevity of the powertrain, engine oil, and associated components, such as seals or hoses.

Operation and technical tips

When replacing the radiator, it is recommended to:

• check the condition of the cooling system hoses and clamps,
• verify the correct operation of the thermostat and fan,
• use coolant with parameters recommended by the vehicle manufacturer,
• thoroughly bleed the system after installation.

This approach allows you to fully utilize the potential of the installed radiator and reduce the risk of needing further cooling system interventions. For users interested in a broader context of cooling system operation and the impact of the radiator on engine durability, the following article will be helpful: Engine cooling system – overheating, repair, and used radiators.

Expanding the cooling system in your Mercedes

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 heat exchangers, coolant hoses, or radiator module mounting elements, check the available parts in the Mercedes water radiators category.