Denso 471-1474 A/C Compressor

Denso 471-1474 A/C Compressor Overview

The Denso 471-1474 is a factory-new A/C compressor built for Mercedes-Benz applications that use R134A refrigerant and a serpentine belt drive. As an OE-supplier compressor, it is manufactured and tested to OE standards for correct fit, stable operation, and consistent cabin cooling.

• R134A refrigerant type for the listed Mercedes-Benz HVAC systems
• 110.0 mm clutch maximum diameter
• Serpentine pulley belt type
• Bolt tangent mounting type
• OE-supplier design for direct replacement fitment

OE-Style Fit and Application Coverage

This A/C compressor is engineered for a wide range of Mercedes-Benz models, including G550, SL550, CLS63 AMG, G55 AMG, SLK55 AMG, CLK350, E550, and E63 AMG applications. The Denso 471-1474 is also listed for multiple C-Class, E-Class, ML-Class, CL-Class, and S-Class vehicles, with fitment notes that include replacements for 471-1579 on the specified applications.

This part cross-references UAC CO10806Z for the same application.

Common Problems This Compressor Can Address

• No cold air from the vents
• Compressor clutch engagement issues
• Low or inconsistent A/C system pressure
• Noise from a worn or failing compressor
• Loss of cooling performance in Mercedes-Benz HVAC systems

Installation Notes and Tips

Verify refrigerant type, clutch diameter, belt type, and mounting style before installation. Confirm the vehicle’s model year and note-specific fitment details, especially 2008 CLS550 units limited to production through 4/16/2008 and 2003 S55 AMG units noted from 9/30/02. Replace the compressor only after the system has been properly evacuated and inspected, and follow the vehicle service procedure for oil balance, flushing, and leak checks.

Quality Assurance

Denso manufactures this compressor to strict OE standards as an original equipment supplier, with factory-new construction and testing focused on correct fit and dependable performance. The Denso 471-1474 is built to deliver the right part and fit for the listed Mercedes-Benz applications the first time.