Nissens 85741 Engine Cooling Fan Assembly

Engine Cooling Fan Assembly for Mercedes-Benz

Nissens 85741 is an OEM equivalent engine cooling fan assembly built for stable cooling performance and long-life operation. It includes the control unit and a shroud, with OE-quality electronics engineered for safe operation and compliance with OE requirements.

Compatible with Mercedes-Benz S350, S400, S550, and CL550 applications, this 12-volt cooling fan assembly is a direct-fit solution for vehicles that need dependable airflow management. Nissens 85741 is also built to meet ISO 7637, ISO 16750, and EMC directive requirements.

Key Features

• Engine cooling fan assembly with OE equivalent grade construction
• 12V electrical system with 600W power rating
• Includes control unit for integrated fan operation
• Shroud included for proper airflow routing
• Single fan design with 7 blades and 18.98 in. fan diameter
• 1 connector, 4-pin male terminal configuration
• Built to conform with ISO 7637, ISO 16750, and EMC standards

Detailed Description

Nissens 85741 is an engine cooling fan assembly designed for Mercedes-Benz models that require controlled radiator airflow under varying engine loads and temperatures. It is engineered with reworked electronics and an OE-quality control box to support stable fan operation in demanding conditions. This part cross-references Mercedes-Benz part numbers 2215000493 and A2215000493 for the same application.

Fits 2012-2013 Mercedes-Benz S350, N/A. Fits 2010-2013 Mercedes-Benz S400, N/A. Fits 2007-2011 Mercedes-Benz S550, N/A. Fits 2007-2010 Mercedes-Benz CL550, N/A. Search terms such as Mercedes-Benz S550 cooling fan assembly, Mercedes-Benz S400 engine fan replacement, and Mercedes-Benz CL550 radiator fan assembly align with this application.

Common Problems This Part Can Address

• Engine temperature rising at idle or in slow traffic
• Cooling fan not engaging when commanded by the control system
• Weak or inconsistent airflow through the radiator and condenser area
• Electrical faults related to fan control electronics
• Noisy or inefficient fan operation from a worn assembly

Installation Notes and Tips

Verify connector style, pin count, voltage, and fan diameter before installation. Confirm the vehicle uses the matching 4-pin male connector and 12V system layout. Inspect surrounding cooling system components, wiring, and mounting points before replacing the assembly to ensure proper operation after installation.

Quality Assurance

Nissens cooling fan assemblies are built around OE-quality control electronics and are engineered for compliance with ISO 7637, ISO 16750, and EMC requirements. The design focus is stable cooling performance and reliable long-term operation in line with original equipment expectations.