Mercedes W204 Air Conditioning Compressor Unit A/C A0012305011

The Mercedes W204 Air Conditioning Compressor is an original cabin cooling system component designed for Mercedes W204 models. A used compressor from the air conditioning compressors and clutches category allows for a technically correct A/C system repair while maintaining factory performance characteristics and solid build quality.

Specifications and technical data

• SKU: A0012305011
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0012305011
• Substitutable numbers: A0012305011, A 001 230 50 11
• Category: A/C Compressors & Clutches

Intended Use and Technical Characteristics

The presented air conditioning compressor has been specifically designed for Mercedes W204 series vehicles, adhering to the manufacturer's requirements for performance, sealing, and operational smoothness. As an OEM-class component, it ensures proper refrigerant pressure, stable operation across the full engine RPM range, and compatibility with both automatic and manual climate control factory settings.

The compressor works with original A/C system components, such as the condenser, receiver-drier, expansion valve, and high and low-pressure lines. The manufacturer's design allows for correct mounting to the engine block and integration with the factory belt drive system.

Benefits of Using an Original Mercedes Compressor

Using an original air conditioning compressor in a Mercedes W204 translates to a range of practical benefits in daily operation:

• Factory Fitment – correct mounting points and compatibility with original engine accessories.
• Proper Cooling Performance – maintaining a stable cabin temperature in both city and highway conditions.
• Vehicle Electronics Compatibility – correct cooperation with the climate control module and pressure sensors.
• Powertrain Consistency – appropriate gearing and load for the accessory belt and tensioner.

Thanks to this, the air conditioning compressor for Mercedes W204 allows for the restoration of full A/C system functionality without the need for installation modifications or adapters.

Condition, Verification, and Preparation for Installation

This item is a used part from disassembly, offered at a significantly lower cost compared to a new OEM component. This solution is particularly beneficial for vehicles that are several or over ten years old, where a balance between correct quality and a reasonable service budget is crucial.

Before installation, standard service procedures for the air conditioning system are recommended, such as checking system leaks, replacing the receiver-drier, and refilling the system with the appropriate refrigerant and oil according to the vehicle manufacturer's specifications. Correct installation and servicing will ensure trouble-free operation of the compressor under typical driving conditions.

Professional Application in Service and Workshops

The air conditioning compressor for Mercedes W204 is a suitable choice for both individual owners and workshops specializing in the Mercedes brand. The part is ideal for:

• Post-Accident Repairs – in cases of front-end damage requiring replacement of A/C system components.
• Routine Maintenance Service – in case of wear or seizure of the existing compressor.
• Comprehensive Air Conditioning System Overhauls – when full restoration of the cabin cooling system's efficiency is required.

By retaining its original design, installation proceeds predictably for an experienced mechanic, minimizing the risk of fitment issues.

Other Air Conditioning Compressors and Used Parts Knowledge

If you are looking for other Mercedes air conditioning compressors and clutches, check out our dedicated category: Mercedes Air Conditioning Compressors and Clutches. You will find a wide selection of components for various models of this brand.

Read more about the advantages of using original parts from disassembly, such as air conditioning compressors, comfort modules, or suspension components, in our article: Used Mercedes Parts – Original Parts from Disassembly. This is a practical source of knowledge for those who want to consciously combine OEM quality with reasonable repair costs.