Genuine 2308300084 HVAC Heater Control Valve

Mercedes-Benz HVAC Heater Control Valve

This Genuine HVAC heater control valve helps regulate coolant flow through the heater circuit for consistent cabin temperature control. It is a direct-fit replacement for select Mercedes-Benz CL, S, and SL models, including applications with an additional heater in the rear passenger compartment.

• Genuine replacement HVAC heater control valve
• Controls heater coolant flow for temperature regulation
• Fits select Mercedes-Benz CL550, CL600, CL63 AMG, and CL65 AMG models
• Fits select Mercedes-Benz S350, S400, S550, S600, S63 AMG, and S65 AMG models
• Fits select Mercedes-Benz SL500, SL550, SL600, SL63 AMG, SL65 AMG, and SL55 AMG models
• Part number 2308300084 for application matching

Fitment Details

• Fits 2007-2012 Mercedes-Benz CL550, N/A
• Fits 2007-2012 Mercedes-Benz CL600, N/A
• Fits 2008-2012 Mercedes-Benz CL63 AMG, N/A
• Fits 2008-2012 Mercedes-Benz CL65 AMG, N/A
• Fits 2012 Mercedes-Benz S350, N/A; also for additional heater in rear passenger compartment
• Fits 2010-2012 Mercedes-Benz S400, N/A; also for additional heater in rear passenger compartment
• Fits 2007-2012 Mercedes-Benz S550, N/A; also for additional heater in rear passenger compartment
• Fits 2007-2012 Mercedes-Benz S600, N/A; also for additional heater in rear passenger compartment
• Fits 2008-2012 Mercedes-Benz S63 AMG, N/A; also for additional heater in rear passenger compartment
• Fits 2007-2012 Mercedes-Benz S65 AMG, N/A; also for additional heater in rear passenger compartment
• Fits 2007-2009 Mercedes-Benz SL550, N/A
• Fits 2011-2012 Mercedes-Benz SL550, N/A
• Fits 2009 Mercedes-Benz SL63 AMG, N/A
• Fits 2011-2012 Mercedes-Benz SL63 AMG, N/A
• Fits 2004-2009 Mercedes-Benz SL600, N/A
• Fits 2011 Mercedes-Benz SL600, N/A
• Fits 2005-2009 Mercedes-Benz SL65 AMG, N/A
• Fits 2011 Mercedes-Benz SL65 AMG, N/A
• Fits 2003-2008 Mercedes-Benz SL55 AMG, N/A
• Fits 2003-2006 Mercedes-Benz SL500, N/A

What This Part Helps Address

• Uneven or inconsistent heat output from the HVAC system
• Heater circuit coolant flow control issues
• Loss of cabin temperature regulation
• Rear passenger compartment heater control concerns on equipped S-Class models
• Faulty valve operation affecting warm-air delivery

Installation Notes

Verify the part number 2308300084 and confirm vehicle-specific fitment before installation. This valve is listed for select Mercedes-Benz CL, S, and SL applications, so matching the model year and heater configuration is important, especially on S-Class vehicles with an additional rear passenger compartment heater.

Quality Assurance

Genuine parts are built to OE specifications for the listed Mercedes-Benz applications. Use this heater control valve when replacing a failed unit on compatible CL550, S550, or SL600 models to restore proper HVAC coolant control.