HomeHVAC > Temperature Controls and Related ComponentsGenuine 2118320684 HVAC Heater Control Valve
Part #: 2118320684

Genuine 2118320684 HVAC Heater Control Valve

⚙️ 29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, E320, E350, E550, E63 AMG, E500, and E55 AMG
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Reliable HVAC Heater Control Valve for Mercedes-Benz Models

The Genuine HVAC Heater Control Valve, part number 2118320684, is designed specifically for select Mercedes-Benz vehicles. This component ensures precise regulation of coolant flow to the heater core, maintaining optimal cabin temperature control in your E55 AMG, E63 AMG, E320, E350, E500, or E550.

Key Features of the Genuine HVAC Heater Control Valve

  • Compatible with Mercedes-Benz E55 AMG, E63 AMG, E320, E350, E500, and E550 models
  • OEM part number 2118320684 for exact fit and function
  • Controls coolant flow to the heater core for efficient HVAC operation
  • Durable construction designed to withstand automotive temperature fluctuations
  • Direct replacement part ensuring proper integration with factory HVAC systems

Detailed Description of the HVAC Heater Control Valve

This Genuine HVAC Heater Control Valve (part number 2118320684) plays a critical role in your Mercedes-Benz’s heating and ventilation system. By regulating the flow of engine coolant to the heater core, it allows the HVAC system to maintain the desired interior temperature. This valve is engineered to meet factory specifications, ensuring reliable performance and compatibility with the Mercedes-Benz E55 AMG, E63 AMG, E320, E350, E500, and E550 models. Proper operation of this valve contributes to consistent heating and prevents issues related to overheating or insufficient cabin warmth.

Common Issues Resolved by Replacing the Heater Control Valve

  • Inconsistent or no heat inside the vehicle cabin
  • Coolant leaks near the HVAC system
  • Engine overheating due to improper coolant flow
  • HVAC system failing to regulate temperature correctly
  • Unusual noises or valve sticking affecting heater performance

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Drain coolant to prevent spills when removing the old valve
  • Verify part number 2118320684 matches the existing valve for compatibility
  • Inspect surrounding hoses and connections for wear or damage
  • Refill and bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty Information

The Genuine HVAC Heater Control Valve is manufactured to meet Mercedes-Benz OEM standards, providing reliable fit and function. While specific warranty details may vary, Genuine parts typically come with a limited warranty covering defects in materials and workmanship. Using this part helps maintain the integrity of your vehicle’s HVAC system and supports consistent performance.

This part fits 29 vehicles. Search below:

YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2009Mercedes-BenzE320N/Aw/ Auxiliary Heater Code 228
2009Mercedes-BenzE350BaseN/Aw/ Auxiliary Heater Code 228
2009Mercedes-BenzE3504MaticN/Aw/ Auxiliary Heater Code 228
2009Mercedes-BenzE550N/Aw/ Auxiliary Heater Code 228
2009Mercedes-BenzE63 AMGN/Aw/ Auxiliary Heater Code 228
2008Mercedes-BenzE320N/Aw/ Auxiliary Heater Code 228
2008Mercedes-BenzE350BaseN/Aw/ Auxiliary Heater Code 228
2008Mercedes-BenzE3504MaticN/Aw/ Auxiliary Heater Code 228
2008Mercedes-BenzE550N/Aw/ Auxiliary Heater Code 228
2008Mercedes-BenzE63 AMGN/Aw/ Auxiliary Heater Code 228
2007Mercedes-BenzE320N/Aw/ Auxiliary Heater Code 228
2007Mercedes-BenzE350BaseN/Aw/ Auxiliary Heater Code 228
2007Mercedes-BenzE3504MaticN/Aw/ Auxiliary Heater Code 228
2007Mercedes-BenzE550N/Aw/ Auxiliary Heater Code 228
2007Mercedes-BenzE63 AMGN/Aw/ Auxiliary Heater Code 228
2006Mercedes-BenzE320N/Aw/ Auxiliary Heater Code 228
2006Mercedes-BenzE350BaseN/Aw/ Auxiliary Heater Code 228
2006Mercedes-BenzE3504MaticN/Aw/ Auxiliary Heater Code 228
2006Mercedes-BenzE500N/Aw/ Auxiliary Heater Code 228
2006Mercedes-BenzE55 AMGN/Aw/ Auxiliary Heater Code 228
2005Mercedes-BenzE3203.2LL6N/Aw/ Auxiliary Heater Code 228
2005Mercedes-BenzE3203.2LV6N/Aw/ Auxiliary Heater Code 228
2005Mercedes-BenzE500N/Aw/ Auxiliary Heater Code 228
2005Mercedes-BenzE55 AMGN/Aw/ Auxiliary Heater Code 228
2004Mercedes-BenzE320N/Aw/ Auxiliary Heater Code 228
2004Mercedes-BenzE500N/Aw/ Auxiliary Heater Code 228
2004Mercedes-BenzE55 AMGN/Aw/ Auxiliary Heater Code 228
2003Mercedes-BenzE320SedanN/Aw/ Auxiliary Heater (Code 228)
2003Mercedes-BenzE500N/Aw/ Auxiliary Heater Code 228

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.