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

The Mercedes W164 Air Conditioning Condenser for OM642 Diesel Engine is an original A/C system component designed for installation in the rear of the vehicle. It ensures efficient heat dissipation from the refrigerant, which translates to a stable, comfortable temperature inside the car. Thanks to its factory origin and precise fit for the OM642 diesel unit, this air conditioning condenser (radiator) is an accurate service solution for Mercedes W164 SUV models.

Specifications and technical data

• SKU: A2515000054-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2515000054
• Substitutable numbers: A2515000054, A 251 500 00 54, CON-R3759
• Location on the vehicle: Rear
• Fuel type: Diesel
• Part type: A/C Condenser
• Category: A/C Condensers

Purpose and Compatibility with the OM642 Diesel System

The presented air conditioning condenser has been specifically designed for Mercedes W164 vehicles equipped with the OM642 diesel engine. Its construction, tailored to the characteristics of the diesel unit, allows for effective heat dissipation even during prolonged, demanding operation of the powertrain. The component works in conjunction with the factory air conditioning system, maintaining the parameters specified by the vehicle manufacturer.

Its placement in the rear of the car means the condenser is part of an extensive air conditioning system that also serves passengers in the second and potentially third rows of seats. This enables the A/C system in the Mercedes W164 to maintain a uniform temperature throughout the cabin, which is particularly important in larger SUVs used for long journeys.

Construction and Role in the Air Conditioning System

The air conditioning condenser (radiator) is responsible for condensing the refrigerant and releasing heat to the surroundings. In practice, its efficiency determines the stable pressure within the system, cooling effectiveness, and compressor lifespan. In a Mercedes W164 with an OM642 diesel engine, a properly functioning condenser:

• ensures adequate heat exchange across the entire range of engine loads,
• reduces the risk of refrigerant overheating and a drop in air conditioning performance,
• supports uniform cooling of the passenger compartment, including the rear of the cabin.

Thanks to its precise fit for the specific vehicle platform, installation occurs at the mounting points designated by the manufacturer, which simplifies servicing and reduces the risk of leaks.

Condition, Origin, and Benefits of Using a Used Part

The offered air conditioning condenser is a used component, sourced from a dismantled Mercedes vehicle. This type of part allows for economical repair of the A/C system while maintaining factory geometry and compatibility with the car's installation. Compared to low-quality aftermarket alternatives, an original dismantled component often integrates better with existing hoses, sensors, and mounting brackets.

Choosing a used condenser is particularly beneficial for older Mercedes W164 models where a reasonable repair cost is a priority while maintaining correct air conditioning operating parameters. This solution allows for the restoration of system functionality without the need for structural modifications.

Why Choose a Dedicated Mercedes W164 Condenser

Using a dedicated air conditioning condenser in a Mercedes W164 with an OM642 diesel engine offers a range of practical benefits:

• factory fit for the air conditioning system and the SUV's body architecture,
• maintenance of correct refrigerant pressure and temperature parameters,
• stable air conditioning operation in urban and highway conditions,
• reduced risk of improper installation typical of universal aftermarket parts.

This ensures predictable operation of the A/C system, contributing to user comfort and reducing the load on other components, such as the compressor or expansion valve.

If you are planning a comprehensive repair or upgrade of the air conditioning system in your Mercedes and need other parts from the same group, such as additional radiators, hoses, or mounting elements, check the available parts in the Mercedes Condensers (Radiators) category.

For drivers interested in a broader perspective on selecting used market components, including drivetrain elements, an article discussing the practical aspects of matching gear ratios and used subassemblies may be useful – you can find it here: Used Drive Axles and Differentials – How to Choose Gear Ratios for Your Driving Style.