Nissens 85857 Engine Cooling Fan Assembly

Engine Cooling Fan Assembly for Mercedes-Benz

Nissens 85857 is an engine cooling fan assembly built for OE-equivalent fit and stable cooling performance. It includes the fan shroud and control unit, making it a direct replacement choice for Mercedes-Benz models that require a 7-blade radiator fan setup.

Compatible with select Mercedes-Benz GLE, GLS, GL, and ML applications, this Nissens cooling fan assembly is engineered for reliable operation and electronic control that aligns with OE requirements. The Nissens 85857 is a practical solution when you need consistent airflow management and dependable cooling system performance.

Key Features

• Engine cooling fan assembly with OE-equivalent grade construction
• Includes fan shroud and integrated control unit
• 7-blade fan design for specified Mercedes-Benz applications
• 1 connector with male terminal configuration
• Reengineered electronics for safe operation and OE-level control
• Built to meet ISO 7637, ISO 16750, and EMC requirements

Detailed Description

The Nissens 85857 engine cooling fan assembly is designed for Mercedes-Benz vehicles that use a radiator fan shroud and a 7-blade configuration. It is a direct-fit cooling component for models such as the Mercedes-Benz GLE43 AMG, GLE400, GLE350, GLE300d, GLE450 AMG, GLS450, GLS350d, GL350, GL450, ML250, ML350, and ML400. This part number is also referenced as 85857 for ordering and identification, and it cross-references OE-style numbers such as 0999060700 and A0999060700 for the same application.

Nissens fan assemblies are built around stable cooling output and long-life operation. The included control box is engineered to support safe electronic operation and compliance with OE electrical standards, which is important in modern Mercedes-Benz cooling systems where fan speed control and signal integrity matter.

Common Cooling Issues This Part Can Address

• Engine overheating caused by a failing radiator fan assembly
• Weak or inconsistent airflow through the radiator
• Fan motor or control unit electrical faults
• Noisy, worn, or unresponsive cooling fan operation
• Cooling performance loss in stop-and-go driving or idle conditions

Installation Notes and Tips

Verify the vehicle’s fan shroud requirement and blade count before ordering. This assembly is listed for Mercedes-Benz applications with a 7-blade fan and, on some fitments, with radiator fan shroud notes. Confirm connector style, terminal gender, and OE reference numbers against the original unit before installation. Professional installation is recommended to ensure proper electrical connection and cooling system function.

Quality Assurance

Nissens designs this cooling fan assembly to meet OE-equivalent expectations and to conform with ISO 7637, ISO 16750, and EMC standards for electromagnetic compatibility. The reengineered control electronics are built to support safe, stable operation in demanding vehicle electrical environments.