Heat Exchanger Mercedes W204 W212 Oil Cooler Transmission Radiator A0995001100

Heat Exchanger Mercedes W204 W212 Oil Cooler Transmission Radiator is an original lubrication system component, designed specifically for OM642 power units in C-Class W204 and E-Class W212 models. Thanks to its factory design, it ensures stable heat dissipation from the engine oil, which translates into safe operation of the power unit and reduces the risk of overheating. This is a practical solution for users looking for a proven oil heat exchanger tailored to the specifics of Mercedes engines.

Specifications and technical data

• SKU: A0995002300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0995002300
• Substitutable numbers: A0995002300, A 099 500 23 00, A0995001100, A 099 500 11 00
• Category: Engine Oil Coolers & Lines

Function and role of the oil cooler in the OM642 engine

The oil cooler in the OM642 engine is responsible for heat exchange between the oil and the coolant, stabilizing the operating temperature of the lubrication system. A properly functioning heat exchanger:

• reduces oil degradation under high thermal loads,
• supports the maintenance of proper oil pressure across the entire RPM range,
• reduces the risk of seizing of moving engine components,
• positively influences the durability of the turbocharger and the timing system.

For OM642 units, known for their high torque, a functional oil heat exchanger is an essential component ensuring stable operation in both city and highway conditions.

Compatibility with Mercedes W204 and W212

The presented cooler has been designed for integration with the lubrication system in Mercedes C-Class W204 and E-Class W212 models equipped with the OM642 engine. This means:

• factory mounting points matched to the engine block,
• adaptation for use with original oil and coolant lines,
• preservation of the factory oil and coolant flow geometry.

As a result, installation is straightforward, without the need for structural modifications, and the entire oil cooling system maintains the parameters specified by the manufacturer.

Product characteristics and advantages of use

The offered heat exchanger belongs to the Oil coolers and lines group, which means it is a component closely related to the thermal safety of the engine. Using an original oil cooler instead of a worn-out component allows you to:

• restore proper oil cooling efficiency after mileages where the old element could have become calcified or contaminated,
• minimize the risk of localized overheating in the area of the bearings and crankshaft,
• maintain stable operating conditions during towing, dynamic driving, or high ambient temperatures.

A used OEM component is a reasonable compromise between cost and maintaining the factory design of the system, especially in vehicles used intensively, where the predictability of engine behavior is crucial.

Practical installation and maintenance tips

When replacing the oil cooler, it is recommended to simultaneously check the condition of the oil and coolant lines and replace the operating medium in accordance with the vehicle manufacturer's recommendations. It is worth paying attention to:

• thorough cleaning of the contact surface with the engine block,
• using new seals selected for the specific OM642 engine,
• bleeding the cooling system after installation,
• verifying for leaks after the power unit has warmed up for the first time.

This approach allows you to fully utilize the potential of the offered heat exchanger and reduce the risk of needing to work on the system again in the near future.

Related cooling system components and additional materials

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional heat exchangers, oil lines, or coolant hoses, check the available parts in the Mercedes oil coolers and lines category.

During periods of high temperatures, it is especially important to maintain the efficiency of the entire cooling system, including the oil circuit. To better understand the impact of heat on engine operation and the potential savings when using used components, it is worth reading the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which discusses practical aspects of operation and component selection.

If you want to further organize your knowledge on verifying part compatibility using OEM numbers and are looking for practical tips on selecting components for a Mercedes, the article Buying parts online without risk – 5 proven ways to verify component compatibility, which describes the compatibility checking process step-by-step, may also be helpful.