Heat Exchanger Mercedes SLK W221 Air Conditioning Heating Unit A2218300061

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes SLK W221 Heat Exchanger Heater Core is an original component from the Heat Exchangers group, designed for demanding users who value factory-standard Mercedes solutions. This used component allows for a technically sound, cost-effective repair of the heating system while maintaining performance characteristics consistent with the manufacturer's specifications.

Specifications and technical data

• SKU: LHD-A2218300061
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218300061
• Substitutable numbers: A2218300061, A 221 830 00 61
• Category: Heater Cores

Purpose and function of the heat exchanger

The presented heat exchanger is responsible for the efficient transfer of thermal energy from the engine cooling system to the vehicle's interior heater core. A properly selected component ensures:

• stable cabin heating under various engine operating conditions,
• even heat distribution to the ventilation system,
• operational consistency with the factory Mercedes cooling system.

Thanks to the original design, the heat exchanger works seamlessly with factory connectors, hoses, and coolant circulation, which reduces the risk of leaks and installation issues.

Benefits of using an original Mercedes component

Choosing an original heat exchanger from dismantling is a solution that combines technical aspects with reasonable service costs. Such a component ensures:

• factory fitment for the heating system without the need for modifications,
• preservation of coolant flow parameters in accordance with the manufacturer's design,
• compatibility with the existing installation in the heater core housing.

The used, original element from the Heat Exchangers group is particularly recommended where predictable system behavior and minimizing the risks typical of generic aftermarket replacements are priorities.

Condition, verification, and preparation for installation

The component is offered as a used part, which allows for significant repair cost savings while maintaining a construction consistent with the factory Mercedes design. Before installation, a standard service procedure is recommended, including:

• checking the system for leaks after installation,
• replacing or topping up the coolant in accordance with the vehicle manufacturer's recommendations,
• bleeding the cooling and heating system.

This approach minimizes the risk of subsequent leaks and guarantees stable operation of the heater core in daily use.

Service application and cost optimization

Mercedes SLK W221 Heat Exchanger Heater Core is suitable for both professional service centers and workshops specializing in the Mercedes brand. It is a practical choice for:

• heating system repairs following the detection of a leaking heater core,
• modernization or restoring full efficiency to the air conditioning and heating system,
• comprehensive work on the engine cooling system.

Using original components from dismantling allows for maintaining the structural integrity of the vehicle, which is particularly important in premium class cars.

If you are planning a comprehensive repair or modernization of the heating system area in your Mercedes and need other elements from the same group, such as additional radiators, heater cores, or intermediate modules, check the available parts in the Mercedes Heat Exchangers category.

Additional information and technical support

For users interested in a broader approach to servicing premium cars using proven used parts, a guide article describing cost optimization strategies and the selection of appropriate components may be helpful. You can find more practical tips in the material: Luxury within reach – how to service a legendary Porsche brand using proven used parts.