Mercedes W211 C219 Air Conditioning Condenser OM642 A/C BEHR 8FC 351 300-711

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W211 C219 Air Conditioning Condenser OM642 A/C BEHR is an original A/C refrigerant cooling system component, designed specifically for E-Class W211 and CLS C219 models with the OM642 engine. A used condenser of this class ensures stable air conditioning operation while maintaining factory flow and cooling performance parameters. This is a solution for users who expect proven compatibility, correct mounting geometry, and a perfect fit for factory Mercedes equipment.

Specifications and technical data

• SKU: A2115000554-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115000554
• Substitutable numbers: A2115000554, A 211 500 05 54
• Part type: A/C Condenser
• Category: A/C Condensers

Purpose and compatibility

The presented air conditioning condenser is dedicated to Mercedes E-Class W211 and Mercedes CLS C219 vehicles equipped with the OM642 power unit. The design was developed by the manufacturer BEHR for direct integration with the factory air conditioning system, high and low-pressure lines, and the stock fan.

By maintaining the original specifications, this component allows for installation in place of a worn-out condenser without the need for modifying brackets, connectors, or covers. This is particularly important when servicing Mercedes vehicles, where precise fitment of cooling system components has a direct impact on the durability and tightness of the entire A/C system.

Construction and role in the air conditioning system

The condenser (A/C radiator) is responsible for dissipating heat from the refrigerant compressed by the compressor. In W211 and C219 models with the OM642 engine, it operates under demanding thermal conditions, sharing space with the coolant radiator and other cooling system components. The appropriate design of flow channels and heat exchange surfaces is crucial for:

• maintaining stable pressure in the A/C system,
• effective refrigerant cooling under high engine loads,
• reducing the risk of air conditioning compressor overheating,
• ensuring the uniform operation of the vehicle's entire cooling system.

The original BEHR condenser used by Mercedes maintains the correct geometry of fins and channels, which translates into stable cooling performance in real-world road conditions.

Benefits of using an original condenser

Choosing a used, original condenser for the Mercedes W211 / C219 is a solution that allows you to balance cost control with the preservation of factory operating parameters. Compared to many aftermarket replacements, the OEM component offers:

• factory fitment for brackets and covers in the engine bay,
• compatibility with the stock fan and other radiators,
• airflow characteristics designed for the specific model,
• consistency with the manufacturer's requirements regarding A/C system efficiency.

For users who expect predictable air conditioning performance over the long term, using an original Mercedes / BEHR condenser is a technically sound choice.

Practical installation and maintenance tips

When replacing the condenser in a Mercedes W211 or C219 with an OM642 engine, it is recommended to perform a full air conditioning system service: leak testing, replacing the receiver-drier (if applicable to the specific system), and refilling the refrigerant according to the manufacturer's recommendations. Proper installation includes:

• thoroughly cleaning the area in front of the radiators from dirt and insects,
• checking the condition of high and low-pressure lines,
• inspecting mounts and spacers,
• using new seals at connection points.

Service performed in this manner allows you to fully utilize the potential of the installed condenser and reduce the risk of needing further A/C system interventions.

Expanding your Mercedes cooling system service

If you are planning a comprehensive repair or upgrade of the cooling and air conditioning area in your Mercedes and need other components from the same group, such as additional radiators, mounting elements, or A/C lines, check out the available parts in the Mercedes Condensers (radiators) category.

For users interested in comparing technical solutions used in different makes and models, including sports versions, an article discussing the construction of engines, brakes, and chassis in high-performance cars may be helpful – more information can be found in the material: Audi RS vs other models – what is hidden under the hood and chassis?.