Vemo V30-77-0026 A/C Expansion Valve

Mercedes-Benz A/C Expansion Valve

The Vemo V30-77-0026 is an A/C expansion valve for Mercedes-Benz HVAC systems that use OE reference A2128300284. Built to match the listed dimensions and application data, it supports precise refrigerant metering in the air conditioning circuit for select AMG GT, CLS, E-Class, C-Class, GLK, and SLS AMG models.

• Part number: V30-77-0026
• Category: HVAC A/C flow restrictor / expansion valve
• Dimensions: 75 mm height, 75 mm length, 92 mm width
• Packaging size: 9 cm depth, 9.2 cm height, 4.9 cm width
• Weight: 0.160 kg
• OE reference: A2128300284

VEMO Product Line Details

VEMO is the brand line used for OE-style replacement parts across HVAC and other vehicle systems. For this application, the VEMO line focuses on a direct-fit expansion valve solution for Mercedes-Benz vehicles that require the specified OE number and matching physical dimensions.

Detailed Fitment and Function

This Vemo V30-77-0026 expansion valve is listed for Mercedes-Benz AMG GT, AMG GT Black Series, AMG GT C, AMG GT R, AMG GT S, CLS400, CLS550, CLS63 AMG, CLS63 AMG S, C250, C300, C350, C63 AMG, E250, E300, E320, E350, E400, E550, E63 AMG, E63 AMG S, GLK250, GLK350, and SLS AMG applications shown in the fitment data. It cross-references Vemo 8UW351239591 and ACK0282 for the same application. Use this part when servicing a Mercedes-Benz A/C system that calls for OE No. A2128300284 or the listed equivalent references.

What It Helps Address

• Inconsistent cabin cooling caused by incorrect refrigerant flow control
• A/C performance loss from a worn or restricted expansion valve
• Temperature fluctuation at the vents during compressor operation
• System service needs on Mercedes-Benz models with OE No. A2128300284
• HVAC repair work on AMG GT, CLS, E-Class, C-Class, GLK, and SLS AMG platforms

Installation Notes and Tips

Verify the OE number, connector style, and physical dimensions before installation. Confirm the vehicle’s exact model year and HVAC configuration against the fitment list, especially on Mercedes-Benz AMG GT, CLS, and E-Class applications. Replace and inspect sealing surfaces during A/C service, and evacuate and recharge the system according to factory procedures after installation.

Quality Assurance

Vemo supplies OE-style replacement components for European vehicle applications, and this expansion valve is cataloged with exact dimensions and OE reference data to support accurate parts matching. Part number V30-77-0026 is identified for the listed Mercedes-Benz fitments and related cross-reference applications.