Mercedes W204 W212 Radiator Blower Cooling Coolant Fan A2049066802

The Mercedes W204 W212 radiator blower cooling coolant fan is an original cooling system component from the Fans and fan housings group, designed for Mercedes mid-to-upper class models. It ensures stable coolant cooling, supporting safe engine operation under various road conditions. This is a practical solution for users seeking a proven component with factory performance characteristics.

Specifications and technical data

• SKU: A2049066802-4
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049066802
• Substitutable numbers: A2049066802, A 204 906 68 02, A2045004303, A 204 500 43 03, A2045000193, A 204 500 01 93, BG
• Category: Fan & Shroud Assemblies

Purpose and Function in the Cooling System

The presented radiator fan is responsible for forcing airflow through the radiator core, which helps maintain a stable coolant temperature in Mercedes W204 and W212 series engines. It operates in close proximity to the radiator, assisting in heat dissipation both in city traffic and during prolonged driving under load.

Thanks to its design that matches factory solutions, the fan integrates with the vehicle's control system, responding to the current cooling demand. This helps reduce the risk of engine overheating and maintain predictable engine operating parameters.

Benefits of Using an Original Mercedes Fan

Using a component from the Fans and fan housings group, dedicated to a specific vehicle platform, translates into a number of practical advantages:

• factory fit for mounting points and shrouds in the engine bay,
• maintenance of original airflow characteristics through the radiator,
• compatibility with the standard coolant temperature control system,
• reduced risk of incorrect installation compared to universal solutions.

For the user, this means more predictable vehicle behavior in high ambient temperatures and during intensive use. Original Mercedes origin also contributes to maintaining the structural integrity of the entire cooling system.

Product Characteristics and Fitment

The fan is designed as a component compatible with factory radiators used in selected Mercedes W204 and W212 versions. The design allows for installation in existing mounting points, facilitating service and reducing replacement time. The product has an assigned OEM part number and related interchangeable numbers, allowing for precise verification of compatibility with a specific vehicle configuration.

It is advisable to compare the part numbers with the service documentation or the removed component before purchase to confirm full compatibility. This helps avoid installation issues and ensures proper cooperation with other cooling system components.

Condition and Application in Vehicle Service

The offered fan is a used component, making it an attractive cost-effective alternative to new parts while retaining factory design. This type of solution is often chosen for post-accident repairs, replacement of a damaged radiator, or when experiencing insufficient cooling in urban and highway conditions.

Replacing the radiator fan is an important step in comprehensive cooling system maintenance, especially when symptoms such as rising engine temperature in traffic jams, frequent activation of limp mode, or audible irregularities in the operation of the existing fan appear.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other parts from the same group, such as additional fans, fan housings, or radiator shrouds, check the available parts in the Mercedes Fans and fan housings category.

Technical Support and Additional Information

When selecting a used radiator fan, it is worth paying attention to the overall condition of the housing, connectors, and impeller, as well as its proper operation across the full speed range. It is also good practice to inspect other cooling system components – the radiator, hoses, and coolant quality – to ensure a consistent service outcome.

If you want to better understand how high temperatures affect the cooling system's operation and when it is worthwhile to opt for used components, read the guide “Summer Heat vs. Cooling System: Used Radiators and Fans for Savings”, where you will find practical tips on the operation and selection of such components.