Gates EHV139 HVAC Heater Control Valve

Electric Heater Control Valve for Mercedes-Benz

Restore proper cabin temperature control with the Gates Electric Heater Control Valve, part number EHV139. This OE Performance coolant control valve regulates heater core flow in select Mercedes-Benz models, helping the HVAC system respond correctly to temperature settings.

Built with a plastic housing and a male electrical connector, this valve is made for vehicles that use an electric coolant valve to manage heater core flow. It also supports thermal management needs found in modern vehicles, including systems that use electric coolant valves to help control coolant routing.

Key Features

• Gates Electric Heater Control Valve, part number EHV139
• OE Performance replacement for factory-style fit and function
• Plastic construction for HVAC coolant service
• Male electrical connector type
• 1 inlet and 2 outlets for heater coolant routing
• Inlet size: 20 mm (0.78 in)
• Outlet sizes: 31 mm (1.22 in) and 31 mm (1.22 in)
• Contents: coolant control valve

Detailed Description

The Gates EHV139 electric heater control valve is a direct-fit HVAC temperature control component for select Mercedes-Benz CLS550, CLS63 AMG, E320, E350, E550, E63 AMG, E300, E280, CLS500, CLS55 AMG, E500, and E55 AMG applications. It is used in vehicles without an auxiliary heater and helps regulate coolant flow through the heater core so the passenger compartment can reach and maintain the selected temperature. The EHV139 is also listed as a cross-reference to Genuine 2118320584 for the same application.

As part of Gates’ Electric Heater Control Valve line, this component addresses the needs of modern thermal management systems found in both electrified and internal combustion vehicles. In Mercedes-Benz E320 and E350 applications, as well as CLS550 and E550 models, the valve supports precise coolant routing through the HVAC system for consistent heater performance.

What It Helps Fix

• Inconsistent cabin heat in Mercedes-Benz E-Class and CLS models
• Heater output stuck hot or stuck cold
• Coolant flow problems through the heater core
• HVAC temperature control response issues
• Faults related to an electric heater control valve

Installation Notes and Tips

Verify the vehicle uses the listed electric heater control valve configuration and does not have an auxiliary heater before ordering. Match the inlet and outlet diameters, connector style, and hose routing to the original part. Confirm fitment for the exact Mercedes-Benz model and year, including E320, E350, E550, E63 AMG, CLS550, and related applications.

• Fits 2007-2011 Mercedes-Benz CLS550, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2007-2011 Mercedes-Benz CLS63 AMG, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2003-2009 Mercedes-Benz E320, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2006-2009 Mercedes-Benz E350, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2007-2009 Mercedes-Benz E550, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2007-2009 Mercedes-Benz E63 AMG, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2008 Mercedes-Benz E300, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2007 Mercedes-Benz E280, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2006 Mercedes-Benz CLS500, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2006 Mercedes-Benz CLS55 AMG, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2003-2006 Mercedes-Benz E500, N/A; W/O Aux. Heater; Electric Heater Control Valve
• Fits 2003-2006 Mercedes-Benz E55 AMG, N/A; W/O Aux. Heater; Electric Heater Control Valve

Quality Assurance

Gates supplies OE Performance HVAC and coolant system components engineered to match factory-style requirements for fit and operation. Part number EHV139 is built for the specified Mercedes-Benz applications and aligns with the original equipment reference 2118320584.