Denso 471-1230 A/C Compressor

Denso 471-1230 A/C Compressor Overview

The Denso 471-1230 is a factory-new A/C compressor built to OE standards for R134A systems. As an OE supplier to major vehicle manufacturers, Denso engineers this compressor for accurate fitment, stable belt operation, and consistent air conditioning performance.

Compatible with select Mercedes-Benz CL600, S320, S420, S600, and S350 applications, this unit is a direct replacement choice for drivers searching for a Mercedes-Benz A/C compressor 471-1230 or a Denso compressor for 1994-1999 Mercedes-Benz HVAC repair.

Key Features

• Refrigerant type: R134A
• Serpentine pulley belt type for modern accessory drive systems
• 120.0 mm maximum clutch diameter
• Bolt tangent mounting type
• Factory-new compressor built to OE specifications
• Direct-fit replacement for select Mercedes-Benz applications

Detailed Product Description

Denso part number 471-1230 is an A/C compressor designed for vehicles using an R134A refrigerant system and a serpentine belt drive. Its bolt tangent mounting style and OE-level construction support proper alignment and dependable compressor operation in the vehicle’s HVAC system. This part cross-references Mercedes-Benz OE numbers 2301711 and 000230171180 for the same application.

Vehicle fitment includes 1998-1999 Mercedes-Benz CL600, 1994-1999 Mercedes-Benz S320 with 10PA20C unit, 1997-1999 Mercedes-Benz S420 with 10PA20C, 1996-1999 Mercedes-Benz S600, and 1995 Mercedes-Benz S350 from 4/95. If you are replacing a Mercedes-Benz S320 A/C compressor or sourcing a Denso 471-1230 compressor for a Mercedes-Benz S600, this part matches the listed applications.

What This Compressor Helps Address

• Weak or inconsistent cabin cooling
• Noisy compressor operation from a worn internal unit
• Loss of refrigerant system pressure due to compressor failure
• HVAC performance issues tied to a seized or damaged compressor
• Replacement needs for OE-style Mercedes-Benz air conditioning service

Installation Notes and Tips

Verify refrigerant type, pulley belt style, clutch diameter, and mounting configuration before installation. Confirm the vehicle’s existing compressor setup matches the listed notes, especially the 10PA20C unit requirement on select S320 and S420 applications. Flush the system as needed, replace contaminated components, and evacuate and recharge the system to the correct specification after installation.

Quality Assurance

Denso manufactures this compressor to strict OE standards and tests it as a factory-new replacement part. Because Denso originally engineered these systems, the 471-1230 is built with the fit and performance expectations associated with OE-supplier HVAC components.