Mercedes-Benz A B Class W169 W245 Heater Radiator Matrix A1698300661

The Mercedes A B Class W169 W245 Heater Core Gasoline is an original cabin heating system component designed for installation in the front of the vehicle. As part of the Heat Exchangers group, it is responsible for efficiently transferring heat energy from the engine cooling system to the interior, ensuring thermal comfort for the driver and passengers. This is a practical solution for users who want to restore proper heating function in their Mercedes without investing in a new component.

Specifications and technical data

• SKU: A1698300661
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698300661
• Substitutable numbers: A1698300661, A 169 830 06 61, EM
• Location on the vehicle: Front
• Category: Heater Cores

Heater Core Purpose and Function

The heater core in Mercedes A and B Class models of the W169/W245 series functions as a compact heat exchanger integrated into the coolant circuit. Its task is to effectively transfer heat to the airflow directed into the cabin, which is crucial for driving comfort during the autumn and winter seasons, as well as for efficient defrosting of the windows.

Its placement at the front of the vehicle promotes optimal airflow through the heater core, resulting in stable heating performance under various engine thermal loads. A correctly selected heat exchanger reduces the risk of window fogging and improves driving safety in challenging weather conditions.

Construction and Fitment for Mercedes Systems

The presented heater core has been specifically designed for the air conditioning and ventilation system architecture of the A and B Class Mercedes of the generation in question. This means:

• maintaining the correct geometry of the connections to the cooling system,
• compatibility with the blower module housing and air ducts,
• adaptation to the airflow generated by the factory fan.

This ensures a streamlined installation process without the need for modifications to the system or the use of additional adapters. Factory fitment for the specific Mercedes platform minimizes the risk of leaks and temperature regulation issues after replacement.

Performance Characteristics and Benefits of Installation

Using this heater core allows for the restoration of proper heating performance in gasoline engine cars where the existing exchanger has become clogged, leaked, or lost its thermal properties. After correct installation, users can expect:

• stable, predictable cabin heating at typical engine operating temperatures,
• more efficient defrosting and defogging of the front windshield,
• more even temperature distribution in the front interior.

As a component from the Heat Exchangers category, the heater core works in conjunction with other cooling and ventilation system components, making its proper selection directly impact the overall performance of the heating system.

Condition, Origin, and Service Application

The offered heater core is a used part, sourced from disassembly, which represents a reasonable compromise between repair cost and maintaining the original manufacturer's specifications. This type of component is particularly useful for:

• routine repairs of vehicles with higher mileage,
• workshops specializing in servicing Mercedes A and B Class models,
• cases where preserving the original heating system design is a priority.

Using an original, salvaged heat exchanger reduces the risk of fitment issues often encountered with universal aftermarket replacements.

Integration with Other Heating System Components

When replacing the heater core, it is advisable to check the condition of other system components, such as coolant hoses, seals, or air flow control flaps. If you are planning a comprehensive repair or upgrade of the heat exchange area in your Mercedes and require other parts from the same group, such as additional heater cores, radiators, or other heat exchange modules, check the available parts in the Mercedes Heat Exchangers category.

For users considering a broader range of service work after a collision or during a major vehicle restoration, a guide describing the selection and installation of body parts and salvaged components may be helpful – details can be found in the article Body and Chassis – Post-Accident Repairs Using Salvaged Parts.

Summary

The Mercedes A B Class W169 W245 Heater Core Gasoline is a practical solution for drivers who want to restore the functionality of their heating system while maintaining the manufacturer's original technical concept. Its proper fitment for the Mercedes platform, front-of-vehicle placement, and belonging to the Heat Exchangers group make it a sensible choice for service and routine repairs on these models.