Mercedes W211 OM642 Air Conditioning Refrigerant Compressor A/C Pump A0012308611

The Mercedes W211 OM642 Air Conditioning Compressor A/C is an original cabin cooling system component designed for Mercedes vehicles with the OM642 engine. This used compressor from the air conditioning compressors and clutches category allows for an economical restoration of air conditioning functionality while maintaining factory performance characteristics.

Specifications and technical data

• SKU: A0012308611-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0012308611
• Substitutable numbers: A0012308611, A 001 230 86 11
• Category: A/C Compressors & Clutches

Purpose and Function in the Air Conditioning System

The air conditioning compressor in a Mercedes with an OM642 engine is responsible for compressing the refrigerant and maintaining stable operating parameters for the entire A/C system. A correctly selected compressor ensures:

• effective interior cooling across a wide range of engine loads,
• stable refrigerant pressure in the high and low-pressure lines,
• proper interaction with the air conditioning system's accessories and the vehicle's electronic control.

By using an original compressor dedicated to the Mercedes W211 with the OM642 engine, compatibility with the air conditioning control unit's factory settings and engine operating parameters is maintained.

Technical Characteristics and Compatibility

The offered compressor belongs to the air conditioning compressors and clutches group, meaning it is designed to operate in the demanding engine bay environment and to be driven by the belt system. The design intended by the vehicle manufacturer ensures:

• appropriate compression performance matched to the interior volume of the Mercedes E-Class W211,
• compatibility with factory accessories (hoses, condenser, evaporator, expansion valve),
• maintenance of correct mounting geometry relative to the OM642 engine block and the accessory drive system.

The presence of the OEM part number and interchangeable numbers in the technical specification allows for precise verification of compatibility with specific equipment versions and vehicle model years, reducing the risk of selecting an incorrect part.

Condition, Origin, and Benefits of Using a Used Part

The air conditioning compressor is offered as a used part, sourced from a dismantled Mercedes vehicle. This type of component allows for:

• reduced costs for air conditioning system repairs while maintaining original manufacturing quality,
• preservation of factory performance characteristics compared to many low-cost aftermarket alternatives,
• maintaining system consistency with other components of the vehicle's A/C installation.

A used Mercedes air conditioning compressor offers a sensible compromise between repair cost and durability and performance, especially for vehicles used intensively or with higher mileage.

Professional Installation and Operation

To fully utilize the potential of the offered compressor, installation in a specialized air conditioning service center is recommended. During compressor replacement, it is advisable to ensure:

• proper evacuation and filling of the system with refrigerant compliant with the manufacturer's specifications,
• leak testing of the installation (hoses, connections, condenser, evaporator),
• checking the condition of the receiver-drier and expansion valve to prevent contamination and overload of the newly installed compressor.

This approach minimizes the risk of recurring faults and ensures long-term, stable operation of the air conditioning system in the Mercedes W211 with the OM642 engine.

Other Air Conditioning Compressors and Technical Knowledge

If you are looking for other Mercedes air conditioning compressors and clutches, check out the Mercedes air conditioning compressors and clutches available in our store to select a part perfectly matched to your specific model and engine version.

More practical information on the benefits of choosing original dismantled parts, such as an air conditioning compressor for a Mercedes, can be found in the article Used Mercedes Parts – Original Dismantled Parts, which discusses the technical and economic aspects of such a solution.