Nissens 850078 Engine Cooling Fan Assembly

OE-Style Cooling for Mercedes-Benz Applications

The Nissens 850078 engine cooling fan assembly is built for Mercedes-Benz vehicles that need stable airflow and controlled engine temperature management. It combines an OE-quality control box with reengineered electronics for safe operation and consistent performance.

Compatible with select 2005-2009 Mercedes-Benz C-Class and CLK-Class models, including C350, CLK350, C230, C280, C55 AMG, C240, C320, and CLK320 applications.

Key Features

• OE equivalent engine cooling fan assembly from Nissens
• OE-quality control box included for integrated fan control
• Reengineered electronics for safe, stable operation
• 7-blade fan design with shroud included
• 1 connector with male terminal gender
• Control unit included for direct replacement use
• Built to meet ISO 7637, ISO 16750, and EMC requirements

Detailed Description

Nissens 850078 is an engine cooling fan assembly engineered for direct-fit replacement on Mercedes-Benz cooling systems. It is designed around OEM-equivalent construction and includes the control unit and control box needed for proper fan operation. The assembly is intended for vehicles using the 600 W configuration noted in the fitment data, and it cross-references Genuine 2035001693 for the same application. This part also cross-references 8210015 and 2035001493 for the same application.

For Mercedes-Benz C350, CLK350, C230, C280, C55 AMG, C240, C320, and CLK320 models, the Nissens 850078 supports consistent radiator airflow and electronic fan control. The design follows electromagnetic compatibility and automotive electrical standards to help maintain reliable operation in the vehicle’s cooling system.

What This Part Helps Address

• Engine overheating caused by weak or inoperative fan operation
• Cooling fan electrical faults related to control electronics
• Inconsistent radiator airflow at idle or low vehicle speed
• Fan assembly wear that affects temperature regulation
• Replacement needs for Mercedes-Benz C-Class and CLK-Class cooling systems

Installation Notes and Tips

Verify connector style, terminal gender, and shroud configuration before installation. Confirm the vehicle uses the 600 W fan specification listed in the fitment notes. Inspect the surrounding cooling system, wiring, and mounting points for damage before replacing the assembly. After installation, check fan operation and engine temperature control under normal operating conditions.

Quality Assurance

Nissens engine cooling fans are built with OE-quality control components and reengineered electronics for stable long-life operation. The assembly conforms to ISO 7637, ISO 16750, and EMC requirements for electrical and electromagnetic compatibility.