Genuine 1298001478 Climate Control Vacuum Power Change Over Valve

Mercedes-Benz HVAC Vacuum Change Over Valve

This Genuine climate control vacuum power change over valve helps route vacuum signals within the HVAC system for proper temperature and mode control. It is a direct-fit service part for select Mercedes-Benz models, including E320, C220, C280, and S-Class applications.

• Genuine replacement part for HVAC vacuum control
• Part number 1298001478
• Fits select Mercedes-Benz E320, C220, C280, C36 AMG, S-Class, and SL models
• Used in climate control vacuum circuits for temperature and air distribution functions
• OE-style fitment for factory-style service on compatible vehicles

Fitment Details

• Fits 1996-1997 Mercedes-Benz E320, N/A
• Fits 1994-1996 Mercedes-Benz C220, N/A
• Fits 1994-1996 Mercedes-Benz C280, N/A
• Fits 1995-1996 Mercedes-Benz C36 AMG, N/A
• Fits 1994-1996 Mercedes-Benz S320, N/A, From A216191
• Fits 1994-1996 Mercedes-Benz S420, N/A, From A216191
• Fits 1994-1996 Mercedes-Benz SL320, N/A
• Fits 1994-1996 Mercedes-Benz SL500, N/A
• Fits 1994-1996 Mercedes-Benz SL600, N/A
• Fits 1994-1995 Mercedes-Benz S350, N/A, From A216191
• Fits 1992-1993 Mercedes-Benz 300SD, N/A, From A216191
• Fits 1992-1993 Mercedes-Benz 300SE, N/A, From A216191
• Fits 1990-1993 Mercedes-Benz 300SL, N/A
• Fits 1993 Mercedes-Benz 400SEL, N/A, From A216191
• Fits 1993 Mercedes-Benz 500SEC, N/A, From A216191
• Fits 1992-1993 Mercedes-Benz 500SEL, N/A, From A216191
• Fits 1990-1993 Mercedes-Benz 500SL, N/A
• Fits 1993 Mercedes-Benz 600SEC, N/A, From A216191
• Fits 1992-1993 Mercedes-Benz 600SEL, N/A, From A216191
• Fits 1993 Mercedes-Benz 600SL, N/A
• Fits 1992 Mercedes-Benz 400SE, N/A, From A216191

What It Helps Address

• HVAC vents not switching correctly between defrost, floor, and dash outlets
• Weak or inconsistent vacuum control in the climate system
• Temperature control response issues tied to vacuum routing
• Faults caused by a worn or leaking vacuum change over valve
• Restoration work on Mercedes-Benz climate control systems

Installation Notes

Verify the part number 1298001478 and match the vehicle’s build range before installation. This component is used in vacuum-operated HVAC systems, so inspect related vacuum lines and connectors for leaks or damage during service. On Mercedes-Benz E320, C220, and S-Class applications, confirm the exact chassis and production breakpoints listed in the fitment data.

Quality Assurance

Genuine parts are sourced as original-equipment replacement components for factory-level service on supported Mercedes-Benz applications. This part cross-references no additional part numbers in the provided data.