Universal Air EX10709C A/C Expansion Valve
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Universal Air
 Block Expansion Valve

Universal Air EX10709C A/C Expansion Valve

Brand Universal Air EX10709C
Product line Block Expansion Valve
Fits Mercedes-Benz · 42 vehicles

Expansion valve. Regulates refrigerant flow for consistent A/C performance.

Block-style design. Compact form factor for HVAC flow control.

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Block Expansion Valve for Mercedes-Benz HVAC Service

Universal Air EX10709C is a block expansion valve for select Mercedes-Benz A/C systems. It is used in HVAC flow control applications where refrigerant metering is needed for proper evaporator performance and cabin cooling.

Key Features

  • Universal Air Block Expansion Valve, part number EX10709C
  • HVAC > A/C Flow Restrictors category
  • Direct-fit application for select Mercedes-Benz models
  • Supports refrigerant flow control at the evaporator circuit
  • Fits 2017-2021 Mercedes-Benz C300, C43 AMG, C63 AMG, C63 AMG S, C350e, E300, E400, E43 AMG, E63 AMG S, GLC300, GLC350e, GLC43 AMG, GLC63 AMG, AMG GT 53, AMG GT 63, AMG GT 63 S, G550, and G63 AMG, N/A

Detailed Description

The Universal Air Block Expansion Valve EX10709C is built for Mercedes-Benz HVAC systems that use a block-style expansion valve to regulate refrigerant entering the evaporator. By controlling refrigerant flow, the valve helps the A/C system maintain stable cooling performance across a range of operating conditions. This part number, EX10709C, is listed for multiple Mercedes-Benz platforms including C-Class, E-Class, GLC, G-Class, and AMG GT models.

Common Repair Symptoms

  • Weak or inconsistent cabin cooling
  • Incorrect refrigerant metering at the evaporator
  • A/C performance changes between idle and driving
  • Temperature fluctuations from the vents
  • HVAC system service on Mercedes-Benz C300, E300, GLC300, or AMG GT 63 applications

Installation Notes and Tips

Verify the original valve style and vehicle application before installation. This EX10709C block expansion valve is listed for Mercedes-Benz models with N/A position fitment, so matching the OE configuration is important during A/C service. Inspect the system for contamination, leaks, and related wear before returning the vehicle to service.

Quality Assurance

Universal Air supplies HVAC service components for automotive air conditioning repairs. EX10709C is cataloged as a block expansion valve for the listed Mercedes-Benz applications.

Related reading

This part fits 42 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodel# DoorsPositionNotes
2021Mercedes-BenzAMG GT 53Base—N/ABlock Expansion Valve
2021Mercedes-BenzAMG GT 63——N/ABlock Expansion Valve
2021Mercedes-BenzAMG GT 63 S——N/ABlock Expansion Valve
2021Mercedes-BenzG550——N/ABlock Expansion Valve
2021Mercedes-BenzG63 AMGBase—N/ABlock Expansion Valve
2020Mercedes-BenzAMG GT 53——N/ABlock Expansion Valve
2020Mercedes-BenzAMG GT 63——N/ABlock Expansion Valve
2020Mercedes-BenzAMG GT 63 S——N/ABlock Expansion Valve
2020Mercedes-BenzG550——N/ABlock Expansion Valve
2020Mercedes-BenzG63 AMG——N/ABlock Expansion Valve
2019Mercedes-BenzAMG GT 53——N/ABlock Expansion Valve
2019Mercedes-BenzAMG GT 63——N/ABlock Expansion Valve
2019Mercedes-BenzAMG GT 63 S——N/ABlock Expansion Valve
2019Mercedes-BenzC300——N/ABlock Expansion Valve
2019Mercedes-BenzC43 AMG——N/ABlock Expansion Valve
2019Mercedes-BenzC63 AMG——N/ABlock Expansion Valve
2019Mercedes-BenzC63 AMG S——N/ABlock Expansion Valve
2019Mercedes-BenzG550——N/ABlock Expansion Valve
2019Mercedes-BenzG63 AMG——N/ABlock Expansion Valve
2018Mercedes-BenzC300——N/ABlock Expansion Valve
2018Mercedes-BenzC350e——N/ABlock Expansion Valve
2018Mercedes-BenzC43 AMG——N/ABlock Expansion Valve
2018Mercedes-BenzC63 AMG——N/ABlock Expansion Valve
2018Mercedes-BenzC63 AMG S——N/ABlock Expansion Valve
2018Mercedes-BenzE300——N/ABlock Expansion Valve
2018Mercedes-BenzE400——N/ABlock Expansion Valve
2018Mercedes-BenzE43 AMG——N/ABlock Expansion Valve
2018Mercedes-BenzE63 AMG S——N/ABlock Expansion Valve
2018Mercedes-BenzGLC300——N/ABlock Expansion Valve
2018Mercedes-BenzGLC350e——N/ABlock Expansion Valve
2018Mercedes-BenzGLC43 AMG——N/ABlock Expansion Valve
2018Mercedes-BenzGLC63 AMG——N/ABlock Expansion Valve
2017Mercedes-BenzC300—2 DoorN/ABlock Expansion Valve
2017Mercedes-BenzC350e——N/ABlock Expansion Valve
2017Mercedes-BenzC43 AMG——N/ABlock Expansion Valve
2017Mercedes-BenzC63 AMG—2 DoorN/ABlock Expansion Valve
2017Mercedes-BenzC63 AMG S——N/ABlock Expansion Valve
2017Mercedes-BenzC63 AMG S—2 DoorN/ABlock Expansion Valve
2017Mercedes-BenzE300——N/ABlock Expansion Valve
2017Mercedes-BenzE43 AMG——N/ABlock Expansion Valve
2017Mercedes-BenzGLC300——N/ABlock Expansion Valve
2017Mercedes-BenzGLC43 AMG——N/ABlock Expansion Valve