Mercedes W164 Air Conditioning A/C Condenser Radiator Diesel OM642 A2515000054

Mercedes W164 Air Conditioning A/C Condenser Radiator Diesel OM642 is an original air conditioning system component designed for diesel-powered vehicles, mounted in the rear section of the car. Thanks to its factory design, it ensures stable heat dissipation from the refrigerant, which translates into predictable air conditioning performance under demanding operating conditions. This used component allows for an economical yet technically sound repair of the system without the need to resort to more expensive replacements of unknown origin.

Specifications and technical data

• SKU: A2515000054
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2515000054
• Substitutable numbers: A2515000054, A 251 500 00 54
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: A/C Condensers

Purpose and function in the air conditioning system

The presented condenser is a component in the Condensers (radiators) category, responsible for the condensation of the refrigerant in the air conditioning system. It operates in a high-pressure circuit, where hot gas from the compressor releases heat to the surroundings, transitioning into a liquid state. A properly selected condenser is crucial for:

• maintaining stable pressure in the air conditioning circuit,
• effective cooling of the vehicle interior under various thermal loads,
• protecting the A/C compressor from overloading and overheating.

The element has been designed to work with a Diesel engine unit, which means it is adapted to the characteristic operating conditions of diesel engines, including higher thermal loads during long-term driving.

Vehicle placement and installation aspects

The condenser is intended for installation in the rear of the vehicle, which requires consideration of specific air conditioning line routing and appropriate service access. This configuration is used in designs where the air conditioning system also serves the rear passenger cabin zone or additional heat exchangers.

When selecting and installing, it is worth paying attention to:

• compatibility with the mounting system in the bodywork,
• correct connection of high and low-pressure lines,
• leak testing after installation and proper charging of the system with refrigerant.

Thanks to its factory design, the condenser is prepared to work with original Mercedes air conditioning system components, which facilitates service and reduces the risk of fitment issues.

Operational characteristics in Diesel vehicles

In vehicles with a diesel engine, the air conditioning system often operates under higher thermal loads, especially when driving under full load or in urban conditions. The condenser dedicated to the Diesel version is designed for:

• stable heat dissipation during long-term system operation,
• resistance to vibrations and variable thermal conditions,
• maintaining adequate cabin cooling efficiency across a wide range of ambient temperatures.

Selecting the right condenser for the specific OM642 engine configuration allows for maintaining consistency in the operating parameters of the entire air conditioning system and reducing the risk of failures resulting from component mismatch.

Condition, origin, and benefits of using a used part

The offered condenser comes from a Mercedes vehicle and is a used part, which represents a reasonable compromise between repair costs and maintaining the original system design. Choosing such a solution is particularly beneficial in the case of:

• post-accident repairs or repairs following heat exchanger corrosion,
• restoring air conditioning functionality in older models,
• renovation projects where maintaining the highest possible number of OEM components is important.

Using an original condenser from the same design line allows for maintaining factory refrigerant and airflow parameters, which translates into predictable system behavior in daily use.

Expansion and selection of other condensers for Mercedes

If you are planning a comprehensive repair or upgrade of the air conditioning zone in your Mercedes and need other elements from the same group, such as additional heat exchangers, compatible radiators, or related condensing modules, check the available parts in the Mercedes Condensers (radiators) category.

For users who, in parallel with repairing the air conditioning system, are thinking about improving the ergonomics and aesthetics of the cabin, a guide on interior personalization may be helpful – you can find more information in the article Car interior tuning with Global Parts.