OE Quality
60-Day Returns

Denso 471-1235 A/C Compressor
Reliable A/C Compressor for Mercedes-Benz Models
The Denso 471-1235 A/C compressor is engineered to restore efficient air conditioning performance in select Mercedes-Benz vehicles. Designed specifically for models such as the 400SE, 400SEL, 500SEC, 500SEL, S420, and S500, this compressor supports R134a refrigerant systems and features a serpentine pulley belt type for smooth operation.
- Compatible with Mercedes-Benz 400SE, 400SEL, 500SEC, 500SEL, S420, and S500
- Uses R134a refrigerant for modern A/C systems
- Clutch maximum diameter of 120.0 mm for precise engagement
- Serpentine pulley belt type for reliable power transmission
- Bolt tangent mounting type for secure installation
Technical Details and Performance
The Denso 471-1235 A/C compressor is designed to meet the specific requirements of Mercedes-Benz luxury sedans and coupes. Its clutch has a maximum diameter of 120.0 mm, ensuring proper engagement and disengagement with the serpentine belt system. The bolt tangent mounting type provides a stable and secure fit, minimizing vibration and wear. This compressor is compatible with R134a refrigerant, which is standard in many modern automotive air conditioning systems, ensuring efficient cooling performance and environmental compliance.
Applications and Common Issues Addressed
- Restores cooling function in Mercedes-Benz 400SE and 400SEL models
- Replaces failing compressors in 500SEC and 500SEL vehicles
- Solves issues related to clutch slippage or failure in S420 and S500
- Addresses refrigerant leaks or compressor noise in affected models
- Improves overall HVAC system reliability and comfort
Installation Notes and Tips
When installing the Denso 471-1235 compressor, ensure the serpentine belt is properly aligned with the pulley to prevent premature wear. Verify that the bolt tangent mounting points are clean and free of debris for a secure fit. It is recommended to evacuate and recharge the A/C system with R134a refrigerant after installation to maintain optimal performance. Professional installation is advised to ensure system integrity and safety.
Quality Assurance and Warranty
Denso manufactures this A/C compressor to meet OEM specifications for Mercedes-Benz vehicles. While specific warranty details are not provided here, Denso products typically undergo rigorous quality control to ensure durability and reliable operation. Consult the product documentation or supplier for warranty information related to the 471-1235 part number.
| Brand | Denso |
| Part Number | 471-1235 |
| Refrigerant Type | R134a |
| Clutch Maximum Diameter | 120.0 |
| Pulley Belt Type | Serpentine |
| Mounting Type | Bolt tangent |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Mercedes-Benz | S420 | N/A | 8-Groove Pulley |
| 1995 | Mercedes-Benz | S500 | N/A | 8-Groove Pulley |
| 1994 | Mercedes-Benz | S420 | N/A | 8-Groove Pulley |
| 1994 | Mercedes-Benz | S500 | N/A | 8-Groove Pulley |
| 1993 | Mercedes-Benz | 400SEL | N/A | 8-Groove Pulley, R134A |
| 1993 | Mercedes-Benz | 500SEC | N/A | 8-Groove Pulley, R134A |
| 1993 | Mercedes-Benz | 500SEL | N/A | 8-Groove Pulley, R134A |
| 1992 | Mercedes-Benz | 400SE | N/A | 8-Groove Pulley, R134A |
| 1992 | Mercedes-Benz | 500SEL | N/A | 8-Groove Pulley, R134A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.