Denso 471-1594 A/C Compressor

Denso 471-1594 A/C Compressor Overview

The Denso 471-1594 is a factory-new A/C compressor built for R134A systems and engineered to OE standards. As an OE supplier to major vehicle manufacturers, Denso produces compressors with the fit and performance expected for Mercedes-Benz HVAC service.

This A/C compressor uses a serpentine pulley belt type, a 100.0 mm clutch maximum diameter, and a bolt tangent mounting type. It is a direct replacement choice for Mercedes-Benz GL450, GL550, ML350, ML550, R350, ML500, and R500 applications listed below.

• Refrigerant type: R134A
• Serpentine pulley belt type for belt-driven HVAC systems
• 100.0 mm clutch maximum diameter
• Bolt tangent mounting type
• Factory-new compressor built to OE specifications
• Part number: 471-1594

Fitment Details

• Fits 2011-2012 Mercedes-Benz GL450, N/A. Replaces 471-1436.
• Fits 2007-2008 Mercedes-Benz GL450, N/A. Replaces 471-1436.
• Fits 2008-2012 Mercedes-Benz GL550, N/A. Replaces 471-1436.
• Fits 2006-2011 Mercedes-Benz ML350, N/A. Replaces 471-1436.
• Fits 2008-2011 Mercedes-Benz ML550, N/A. Replaces 471-1436.
• Fits 2006-2011 Mercedes-Benz R350, N/A. Replaces 471-1436.
• Fits 2009-2010 Mercedes-Benz GL450, N/A. w/ Auxiliary A/C. Replaces 471-1436.
• Fits 2006-2007 Mercedes-Benz ML500, N/A. Replaces 471-1436.
• Fits 2006-2007 Mercedes-Benz R500, N/A. Replaces 471-1436.

What This Compressor Helps Address

• Weak or inconsistent cabin cooling
• Noisy compressor operation from worn internal components
• Loss of refrigerant system pressure
• Compressor replacement needs on Mercedes-Benz GL450, ML350, and R350 models
• Service replacement for vehicles calling for 471-1436 interchange coverage

Installation Notes and Tips

Verify refrigerant type, pulley alignment, clutch diameter, and mounting style before installation. Confirm the vehicle’s HVAC configuration, especially on 2009-2010 Mercedes-Benz GL450 models with auxiliary A/C, and compare the removed unit to the new compressor before final assembly. Proper evacuation, leak checking, and system recharge are required after compressor replacement.

Quality Assurance

Denso manufactures this compressor to strict OE standards as a factory-new replacement part. The brand’s OE supplier background supports accurate fitment and consistent compressor performance for Mercedes-Benz HVAC service.