Mercedes W205 Radiator Fan Engine Cooling Radiator Fan Motor A0999061100

The Mercedes W205 Radiator Fan A0999061100 is a component from the Fans and Fan Housings category, designed to effectively support the cooling system in Mercedes W205 vehicles. A used OEM component ensures factory fit, stable operation, and predictable airflow parameters, contributing to safe engine operating temperatures.

Specifications and technical data

• SKU: A0999061100-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0999061100
• Substitutable numbers: A0999061100, A 099 906 11 00, 1137328751, 1 137 328 751, 3137234001, 3 137 234 001
• Category: Fan & Shroud Assemblies

Purpose and Function of the Mercedes W205 Radiator Fan

The radiator fan in the Mercedes W205 is responsible for actively forcing airflow through the radiator core, especially in urban conditions, at low driving speeds, and during intense engine load. A correctly selected element from this series guarantees:

• stabilization of coolant temperature across a wide range of loads,
• efficient heat dissipation from the engine bay,
• proper cooperation with the vehicle's factory electronic control system.

Original Origin and Interchangeable Numbers

The presented fan belongs to the group of original Mercedes components, meaning it retains the factory blade geometry, working diameter, and electric motor operating characteristics. The part has a dedicated OEM number and assigned interchangeable numbers, making it easy to verify its compatibility with a specific vehicle configuration and production year.

The presence of reference numbers allows for precise matching of the fan to a specific W205 version, minimizing the risk of installation issues and incorrect interaction with the radiator fan control system.

Component Condition and Benefits of Choosing a Used Part

The product is offered as a used part, which allows for significant reduction in repair costs while maintaining the original manufacturer's specifications. In practice, this means:

• factory fit to the mounting points and fan housing in the Mercedes W205,
• retention of original operating characteristics in terms of RPM and performance,
• an attractive price-to-functionality ratio compared to new aftermarket parts.

For many Mercedes owners, choosing a used radiator fan is a sensible compromise between service costs and maintaining the vehicle in accordance with its original design intentions.

Why Choose an OEM Radiator Fan for the Mercedes W205

Using original fans in the Mercedes W205 reduces the risk of vibrations, noise, and electrical overloads that can occur with imprecisely matched aftermarket parts. The OEM design ensures:

• a properly balanced impeller, reducing mechanical stress,
• compatibility with factory electrical connectors,
• predictable performance in high ambient temperatures.

This allows the cooling system to maintain stability, and the engine operates within optimal temperature ranges, contributing to its durability and reducing the risk of overheating in summer conditions.

Radiator Fan and Operation in High Temperatures

During the summer, a functional radiator fan is crucial for the safety of the powertrain. If you want to better understand how high temperatures affect the cooling system and when it's worth considering used components, read the guide Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings.

If you are upgrading the cooling system in your Mercedes and considering replacing several components at once to maintain component consistency and simplify future servicing, check the available parts in the Mercedes Fans and Fan Housings category.