Denso 471-1230 A/C Compressor

Overview of the Denso 471-1230 A/C Compressor

The Denso 471-1230 A/C compressor is engineered for reliable air conditioning performance in select Mercedes-Benz models. Designed specifically for vehicles using R134a refrigerant, this compressor ensures efficient cooling and system compatibility.

• Compatible with Mercedes-Benz CL600, S320, S350, S420, and S600 models
• Uses R134a refrigerant type for optimal cooling efficiency
• Clutch maximum diameter of 120.0 mm for precise engagement
• Serpentine pulley belt type for smooth operation
• Bolt tangent mounting type for secure installation

Technical Details and Features

This Denso A/C compressor (part number 471-1230) is designed to meet the specific requirements of Mercedes-Benz luxury sedans and coupes. The unit operates with R134a refrigerant, which is standard in many modern vehicles, ensuring compatibility with existing A/C systems. The clutch has a maximum diameter of 120.0 mm, providing reliable engagement and disengagement to maintain system efficiency. The serpentine pulley belt type allows for consistent power transfer from the engine, reducing wear and improving longevity. The bolt tangent mounting type ensures a secure fitment, minimizing vibration and potential misalignment during operation.

Compatible Vehicles and Applications

This A/C compressor is compatible with the following Mercedes-Benz models:

• CL600
• S320
• S350
• S420
• S600

It is designed to replace the original compressor in these vehicles, restoring proper air conditioning function and system pressure.

Common Issues Addressed by the Denso 471-1230 Compressor

• Loss of cooling performance due to compressor failure
• Clutch slippage or failure causing intermittent A/C operation
• Noise or vibration from worn or damaged compressor components
• Leaks or refrigerant loss affecting system pressure
• Incompatibility with R134a refrigerant systems in specified Mercedes-Benz models

Installation Notes and Tips

When installing the Denso 471-1230 A/C compressor, ensure the following:

• Verify compatibility with your Mercedes-Benz model and year
• Use proper torque specifications for bolt tangent mounting
• Inspect and replace the serpentine belt if worn or damaged
• Evacuate and recharge the A/C system with R134a refrigerant after installation
• Check for leaks and proper clutch engagement before completing installation

Quality Assurance and Warranty

Denso manufactures this A/C compressor to meet OEM standards for fit, form, and function. The part number 471-1230 undergoes rigorous quality control to ensure durability and performance. Warranty coverage details should be confirmed at the point of purchase, but Denso typically offers limited warranties covering defects in materials and workmanship.