Denso 471-1678 A/C Compressor

Overview of the Denso A/C Compressor for Mercedes-Benz C300 and C350

The Denso A/C Compressor part number 471-1678 is designed specifically for Mercedes-Benz C300 and C350 models. Engineered to work with R134a refrigerant, this compressor ensures efficient air conditioning performance tailored to your vehicle's HVAC system.

• Compatible with Mercedes-Benz C300 and C350 models
• Designed for R134a refrigerant systems
• Clutch maximum diameter of 110.0 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 (471-1678) is built to meet the specific requirements of Mercedes-Benz vehicles using R134a refrigerant. The clutch has a maximum diameter of 110.0 mm, which ensures proper engagement and reliable operation within the HVAC system. The serpentine pulley belt type is compatible with the vehicle’s existing belt system, providing consistent power transfer and reducing wear. The bolt tangent mounting type offers a secure and stable fitment, minimizing vibrations and enhancing durability.

Applications and Problem Resolution

This A/C compressor is intended for use in the air conditioning systems of Mercedes-Benz C300 and C350 models. It addresses common issues such as:

• Loss of cooling efficiency due to compressor failure
• Unusual noises from worn or damaged clutch components
• Inconsistent compressor engagement affecting cabin temperature
• Leaks or pressure loss in R134a refrigerant systems
• Failure of the pulley or mounting system causing belt slippage

Installation Notes and Tips

When installing the Denso 471-1678 A/C Compressor, ensure the system is properly evacuated and recharged with R134a refrigerant. Verify the clutch maximum diameter matches the vehicle specifications to avoid fitment issues. Use the bolt tangent mounting points for secure attachment and confirm the serpentine belt is correctly routed and tensioned. It is recommended to inspect related components such as the condenser, receiver drier, and expansion valve during installation.

Quality Assurance and Warranty

Denso manufactures this A/C compressor to meet OEM standards for Mercedes-Benz vehicles. The part number 471-1678 undergoes rigorous quality control to ensure reliable performance and durability. While specific warranty details may vary, Denso products typically include a limited warranty covering defects in materials and workmanship under normal use.