Universal Air HT2246C HVAC Heater Core

Mercedes-Benz Heater Core Aluminum

Universal Air HT2246C is an aluminum HVAC heater core for select Mercedes-Benz applications. It is listed for multiple CLS-Class and E-Class models across the 2003-2011 range, including Mercedes-Benz CLS350, CLS500, CLS550, CLS63 AMG, E280, E300, E350, E500, E550, E63 AMG, and E55 AMG.

Key Features

• Aluminum heater core construction
• Direct-fit HVAC heater core application
• Fits select Mercedes-Benz CLS-Class and E-Class vehicles
• OE number 2118300361 referenced on select E-Class applications
• Part number HT2246C for catalog lookup and ordering

Fitment Details

• Fits 2007-2011 Mercedes-Benz CLS350, N/A
• Fits 2006-2011 Mercedes-Benz CLS500, N/A
• Fits 2007-2011 Mercedes-Benz CLS550, N/A
• Fits 2007-2011 Mercedes-Benz CLS63 AMG, N/A
• Fits 2008-2009 Mercedes-Benz E280, N/A, OE Number 2118300361
• Fits 2008-2009 Mercedes-Benz E300, N/A, OE Number 2118300361
• Fits 2008-2009 Mercedes-Benz E350, N/A, OE Number 2118300361
• Fits 2006 Mercedes-Benz E350, N/A, OE Number 2118300361
• Fits 2008-2009 Mercedes-Benz E500, N/A, OE Number 2118300361
• Fits 2003-2006 Mercedes-Benz E500, N/A, OE Number 2118300361
• Fits 2008-2009 Mercedes-Benz E550, N/A, OE Number 2118300361
• Fits 2007-2009 Mercedes-Benz E63 AMG, N/A
• Fits 2007 Mercedes-Benz E280, N/A
• Fits 2007 Mercedes-Benz E350, N/A
• Fits 2007 Mercedes-Benz E500, N/A
• Fits 2007 Mercedes-Benz E550, N/A
• Fits 2006 Mercedes-Benz CLS55 AMG, N/A
• Fits 2003-2006 Mercedes-Benz E55 AMG, N/A

What This Heater Core Addresses

• Weak or inconsistent cabin heat
• Coolant odor inside the vehicle
• Fogging from heater core leakage
• Reduced HVAC heating performance
• Coolant loss traced to the heater core area

Installation Notes and Tips

Verify the OE reference 2118300361 on applicable Mercedes-Benz E-Class listings before installation. Confirm the vehicle year, model, and HVAC configuration against the fitment list for HT2246C, especially on CLS-Class and E-Class applications. Professional HVAC service procedures are recommended because heater core replacement typically requires access to the HVAC case.

Quality Assurance

Universal Air HT2246C is cataloged as a heater core aluminum replacement for the listed Mercedes-Benz applications. Use the part number HT2246C and the OE reference on select applications to confirm the correct match before service.