TYC 20018 A/C Compressor

Mercedes-Benz A/C Compressor Overview

This TYC A/C compressor is built for Mercedes-Benz vehicles that use R134a or R1234yf refrigerant and a 12V electrical system. It is a direct-fit replacement for a range of CL-Class, S-Class, GL-Class, ML-Class, R-Class, SL-Class, CLK-Class, C-Class, and SLK-Class applications, including Mercedes-Benz S550, ML350, and CL550 models.

TYC Part Number 20018 is configured with a 1-pin connector, electronic control valve, 6-groove pulley, and PAG46YF oiling type for service on supported Mercedes-Benz HVAC systems. This compressor is supplied with a 2-year warranty and is cross-referenced to Four Seasons 98356 for the same application.

Key Features

• Fits Mercedes-Benz applications using R134a or R1234yf refrigerant
• 12V compressor with 1-pin connector
• Electronic control valve included in the compressor design
• 6-groove pulley wheel for belt-driven operation
• Uses PAG46YF oiling type
• Includes 2 O-rings and 5 oz oil quantity specification
• Backed by a 2-year warranty
• TYC Part Number 20018

Detailed Description

TYC 20018 is an A/C compressor for Mercedes-Benz HVAC systems that require a compressor with electronic control valve operation and a 12V electrical connection. It is specified for vehicles such as the Mercedes-Benz CL550, S550, GL450, ML350, R350, SL600, and related models listed in the fitment data. The compressor is designed around the listed refrigerant and oil requirements, helping maintain proper system compatibility during replacement service.

This part cross-references Four Seasons 98356 for the same application. If you are replacing a worn compressor on a Mercedes-Benz S-Class, CL-Class, or ML-Class vehicle, TYC 20018 provides the core specifications needed for a proper match, including the 1-pin connector, 6-groove pulley, and PAG46YF oiling type.

What This Part Helps Address

• No cold air from the vents
• Compressor noise or bearing wear
• Clutch or compressor engagement problems
• Refrigerant circulation issues in the A/C system
• Loss of cabin cooling performance on Mercedes-Benz HVAC systems

Installation Notes and Tips

Verify refrigerant type, connector style, pulley groove count, and electronic control valve requirements before installation. Confirm vehicle-specific fitment for your Mercedes-Benz CL550, S550, ML350, or other listed model, since the application range includes multiple chassis and model years. Replace the compressor only after the system has been properly evacuated, inspected, and prepared according to service procedures for the correct refrigerant and oil specification.

Quality Assurance

TYC Part Number 20018 is backed by a 2-year warranty. The compressor is specified with the listed refrigerant, electrical, and oiling requirements to support accurate replacement on the covered Mercedes-Benz applications.