The Mercedes W211 Diesel OM646 Air Conditioning Compressor is an original Mercedes-group component designed for OM646 diesel engines in the W211 E-Class model. It is a robust part of the air conditioning system, enabling the restoration of efficient, stable interior cooling while maintaining factory performance characteristics.
Specifications and technical data
- SKU: A0022305111
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A0022305111
- Substitutable numbers: A0022305111, A 002 230 51 11
- Fuel type: Diesel
- Category: A/C Compressors & Clutches
Intended Use and Compatibility
The air conditioning compressor is designed to work with the Diesel OM646 engine in the Mercedes W211 body. This ensures compatibility with the factory engine accessories, correct positioning of the ports, and proper interaction with the accessory belt and tensioner.
By utilizing an original Mercedes design, the compressor maintains appropriate refrigerant pressure parameters, which translates to stable cooling performance and correct operation of other air conditioning system components (condenser, evaporator, expansion valve).
Construction and Role in the Air Conditioning System
The air conditioning compressor in the Mercedes W211 is responsible for compressing the refrigerant and circulating it throughout the system. A properly functioning compressor ensures:
- maintenance of correct pressure within the air conditioning circuit,
- even cabin cooling even under higher engine loads,
- stable operation with the automatic climate control electronics.
This component belongs to the Air Conditioning Compressors and Clutches category, meaning it is a key sub-assembly responsible for thermal comfort inside the vehicle, and its efficiency directly impacts the perceived quality of the entire system's operation.
Benefits of Using an Original Mercedes Compressor
Choosing an air conditioning compressor specifically for the W211 with an OM646 diesel engine offers primarily:
- factory fitment for the powertrain and air conditioning system,
- preservation of original operating parameters as intended by the manufacturer,
- reduced risk of installation issues compared to universal aftermarket alternatives.
A correctly selected compressor helps reduce engine load, contributing to smooth operation of the diesel engine and minimizing the risk of vibrations and noise from the accessories.
Condition and Application in Vehicle Servicing
This compressor is a used part, making it an attractive option for users seeking original Mercedes components at a reasonable budget. This type of part is often chosen for:
- air conditioning system repairs after the failure of an old compressor,
- restoring vehicle functionality after a prolonged period of use,
- servicing fleet vehicles where cost-to-quality ratio is important.
Prior to installation, standard servicing procedures are recommended, such as flushing the system, replacing the receiver-drier, and checking the quantity and type of refrigerant, to ensure trouble-free compressor operation.
Related Products and Technical Knowledge
If you are looking for other components in the Mercedes Air Conditioning Compressors and Clutches category, check out the Mercedes Air Conditioning Compressors and Clutches available in our store to select a part that matches your specific engine version and year.
You can find more information about the advantages of using original used parts in the article used parts for Mercedes – original parts from disassembly, which describes, among other things, the selection of air conditioning compressors and other key equipment components.
