Heat Exchanger Mercedes X253 A/C Heater Core Radiator A0998300061

Visual condition of the part

The product shows signs of use visible in the photos.

Heat Exchanger Mercedes X253 A/C Heater Core Radiator is an original heating system component, specifically designed for precise temperature management in the cabin of Mercedes vehicles. Thanks to its factory-spec construction, it ensures a stable flow of heating medium and predictable operating parameters, which translates into thermal comfort and seamless integration with the existing air conditioning system. This is the solution for users who are looking for a proven component rather than random replacements.

Specifications and technical data

• SKU: A0998300061-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0998300061
• Substitutable numbers: A0998300061, A 099 830 00 61
• Category: Heater Cores

Purpose and function in the heating system

The presented heat exchanger plays a key role in the coolant circuit responsible for heating the vehicle's interior. Its task is to effectively transfer thermal energy from the engine cooling system to the air directed into the cabin, while maintaining stable flow parameters and the lowest possible pressure losses. Using an original construction characteristic of the Mercedes brand allows for maintaining compliance with factory climate control settings and predictable behavior of the entire system under various operating conditions.

Construction and technical characteristics

The exchanger belongs to the group of elements referred to as Heat exchangers, which means that its design has been optimized for the largest possible heat exchange surface within compact dimensions. A dense network of channels and properly shaped fins enable efficient heat dissipation while maintaining controlled fluid flow. This type of solution is particularly important in modern vehicles, where the heating system works with advanced engine and interior temperature management systems.

The original origin from the Mercedes brand means maintaining factory manufacturing standards, connection fitment, and compatibility with hoses and the heater housing. As a result, installation does not require modifications to the system or the use of additional adapters, which reduces the risk of leaks and speeds up service work.

Condition, selection, and service application

The item is offered as a used part, which in practice means it comes from disassembly and is intended for users looking for an economical solution while maintaining the manufacturer's original specifications. This type of exchanger is most often used in situations where symptoms such as a drop in heating efficiency, uneven cabin heating, or leaks from the heater area appear in the heating system.

Before installation, a standard service procedure is recommended, including checking the system for leaks, the condition of the hoses, and bleeding the system after filling it with fresh coolant. A properly selected and installed heat exchanger allows for restoring stable heating operation without the need for interfering with the vehicle's electronics.

Benefits of using an original heat exchanger

• Factory fitment for Mercedes vehicle heating systems, with no need for installation modifications.
• Stable heat exchange parameters, supporting even cabin heating.
• Compatibility with factory climate control and cooling system settings.
• Economical service solution thanks to the use of parts from disassembly.
• Reduced risk of leaks due to maintaining original connection geometry.

Part selection and additional resources

When selecting this type of component, it is worth paying attention to compatibility with the specific body version and heating system, as well as the presence of appropriate identification numbers in the vehicle's service documentation. The product has assigned OEM part numbers and interchangeable numbers, which facilitates verification of compatibility with a specific car configuration.

If you are planning a comprehensive repair or upgrade of the heating system area in your Mercedes and need other elements from the same group, such as additional radiators, cooling modules, or auxiliary heat exchange elements, check the available parts in the Mercedes heat exchangers category.

For drivers interested in a broader approach to vehicle modernization in terms of comfort and interior equipment, practical tips on selecting elements from the secondary market may be useful – you will find them in the article Premium interior for half the price: second-hand seats, steering wheels, and multimedia, which discusses issues of compatibility, installation, and the cost-effectiveness of such solutions.