Mercedes W163 W203 C215 W220 Air Conditioning Compressor A/C Pump A0012302811

Mercedes W163 W203 C215 W220 Air Conditioning Compressor A/C Pump is an original component from the Air conditioning compressors and clutches group, designed for factory air conditioning systems in Mercedes M-Class, C-Class, and S/CL-Class models. The used OEM compressor ensures proper system operating parameters, maintaining compatibility with the vehicle's factory installation and control systems.

Specifications and technical data

• SKU: A0012302811
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0012302811
• Substitutable numbers: A0012302811, A 001 230 28 11, A 000 230 88 11, A0002308811
• Part type: Compressor & Clutch Assembly
• Category: A/C Compressors & Clutches

Purpose and compatibility

The air conditioning compressor is dedicated to Mercedes W163, W203, C215, and W220 series vehicles equipped with a factory air conditioning system featuring a piston compressor. Using an original component from the same design group allows for proper integration with engine accessories, refrigerant lines, and the factory air conditioning controller. This component is part of the system responsible for compressing the refrigerant, which directly affects cabin cooling efficiency, system pressure stability, and the overall performance of the air conditioning system.

Construction and technical function

The compressor plays a key role in the refrigerant circuit – it draws in the refrigerant in a gaseous state from the evaporator, compresses it to the appropriate pressure, and transfers it to the condenser. This makes it possible to maintain a stable air supply temperature, proper windshield defrosting, and thermal comfort inside the vehicle. As an element from the Air conditioning compressors and clutches category, the component works with the engine accessory drive via a multi-ribbed belt and a compressor clutch, which engages and disengages the compressor according to signals from the air conditioning controller. A correctly selected compressor reduces vibrations, noise, and strain on the drive system.

Benefits of using an original compressor

Using an original air conditioning compressor in a Mercedes allows you to maintain the factory operating parameters of the system, which translates into:

• stable system pressure and predictable response to air conditioning panel settings,
• proper cooperation with pressure and temperature sensors,
• appropriate engine load characteristics when the air conditioning is engaged,
• reduced risk of leaks and system venting issues. For the user, this means more comfortable operation, uniform cabin cooling, and a reduced risk of costly repairs resulting from improperly selected replacements.

Condition and installation recommendations

The offered compressor is a used component, which in practice allows for an economical repair of the air conditioning system while maintaining the manufacturer's original specifications. Before installation, a standard service procedure is recommended: flushing the system, replacing the receiver-drier, checking the condenser and evaporator, and filling the system with refrigerant according to the vehicle manufacturer's guidelines. Proper installation by an experienced air conditioning service minimizes the risk of recurring faults and ensures proper lubrication of the compressor as well as correct operation of the clutch and control valve.

Technical support and additional information

If you want to better understand how to recognize compressor wear, what the typical symptoms of failure are, and what to pay attention to when installing a used component, use the advice provided in the article: Air conditioning compressor – failure symptoms, causes, and safe replacement. This is a practical supplement to your knowledge before making a replacement decision. If you are planning a comprehensive repair or upgrade of the air conditioning system in your Mercedes and need other components from the same group, such as other compressors, compressor clutches, or compressor drive components, check the available parts in the Mercedes air conditioning compressors and clutches category.