Global Parts 3411622 A/C Expansion Valve

A/C Expansion Valve for Mercedes-Benz

Global Parts 3411622 is an A/C expansion valve/orifice tube for Mercedes-Benz applications. It regulates refrigerant flow before the evaporator so the system can use refrigerant cooling capacity efficiently. This part number 3411622 is a direct-fit service component for select 2015-2016 Mercedes-Benz C-Class and GLC models.

Key Features

• Controls refrigerant flow into the evaporator
• Supports proper A/C system pressure regulation
• OE-style replacement for service and repair work
• Global Parts part number 3411622
• Cross-references Four Seasons 39553 and UAC EX10549C

Detailed Description

Global Parts 3411622 is built for Mercedes-Benz HVAC service where accurate refrigerant metering is required. By slowing refrigerant before it enters the evaporator, the expansion valve helps the A/C system deliver consistent cooling performance. It is listed for 2015 Mercedes-Benz C400, 2015-2016 Mercedes-Benz C300, 2016 Mercedes-Benz C250, 2016 Mercedes-Benz C350e, 2016 Mercedes-Benz C450 AMG, 2016 Mercedes-Benz C63 AMG, 2015-2016 Mercedes-Benz C63 AMG S, and 2016 Mercedes-Benz GLC300. This part number 3411622 is also referenced by Four Seasons 39553 for the same application.

Common Repair Symptoms

• Weak or uneven cabin cooling
• Incorrect refrigerant metering at the evaporator
• A/C performance loss after system service
• Temperature fluctuations during operation
• HVAC service on Mercedes-Benz C250, C300, C350e, C400, C450 AMG, C63 AMG, C63 AMG S, or GLC300

Installation Notes and Tips

Replace the expansion valve during A/C service when the system is opened or contaminated. Verify the vehicle’s exact model year and HVAC configuration before installation, and inspect related A/C components for debris or wear. Proper evacuation, leak checking, and refrigerant recharge are required after service.

Quality Assurance

Global Parts supplies service components for automotive HVAC repair, and this expansion valve is listed with OE-style interchange references for application matching.