Universal Air SW9965C HVAC Blower Motor Resistor

Mercedes-Benz Blower Resistor SW9965C

Restore proper HVAC fan speed control with the Universal Air Blower Resistor SW9965C. This HVAC blower motor resistor is a direct-fit replacement for select Mercedes-Benz models, including C230, C280, C36 AMG, C43 AMG, SLK230, SLK320, and SLK32 AMG applications.

Key Features

• Universal Air Blower Resistor line for HVAC blower motor speed control
• Direct replacement for the original blower resistor in select Mercedes-Benz vehicles
• Supports multiple fan speed settings when the resistor pack is functioning correctly
• Fits 1996-2004 Mercedes-Benz applications listed below
• Part number SW9965C for easy identification and ordering

Detailed Description

The Universal Air SW9965C is an HVAC blower motor resistor used to regulate blower motor speed in the cabin climate control system. It is compatible with 1996-2000 Mercedes-Benz C280, 1996-1997 Mercedes-Benz C36 AMG, 1997-2000 Mercedes-Benz C230, 1998-2000 Mercedes-Benz C43 AMG, 2001-2004 Mercedes-Benz SLK230, 2001-2004 Mercedes-Benz SLK320, and 2002-2004 Mercedes-Benz SLK32 AMG. If your Mercedes-Benz C230 or SLK320 has lost one or more fan speeds, this part number SW9965C is the replacement to check against the original unit.

Common Issues It Can Solve

• Blower motor works only on one speed
• Intermittent cabin fan operation
• No response from lower HVAC fan settings
• Loss of climate control airflow adjustment
• Resistor-related blower speed failure in the HVAC system

Installation Notes and Tips

Verify the original part number and vehicle application before installation. Access to the blower resistor is typically through the HVAC housing area, so confirm connector style and mounting location on the vehicle before removal. For best results, inspect the blower motor and related wiring for heat damage or corrosion before installing SW9965C.

Quality Assurance

Universal Air offers the Blower Resistor line as an OE-style HVAC replacement solution for the listed Mercedes-Benz applications. Part number SW9965C is cataloged for direct application matching on the vehicles shown above.