Intercooler Mercedes W213 C238 OM656 Diesel Intake Charge Air Cooler A6560903800

The Mercedes W213 C238 OM656 Intercooler Diesel Air Cooler is an original component of the turbocharging system, specifically designed for OM656 diesel engines. Its factory design ensures stable charge air cooling, which translates to efficient Diesel engine operation and predictable performance. This is a solution for users seeking OEM parts with preserved functionality rather than random replacements.

Specifications and technical data

• SKU: A6560903800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6560903800
• Substitutable numbers: A6560903800, A 656 090 38 00
• Fuel type: Diesel
• Category: Intercoolers

Purpose and Role in the Turbocharging System

The presented air cooler is a component intended for Mercedes E-Class W213 and E-Class Coupé C238 models with the OM656 diesel engine. As part of the turbocharging system in a Diesel engine, it is responsible for lowering the temperature of compressed air, which improves charge density, stabilizes the combustion process, and enhances the engine's smooth operation.

The selection of an original intercooler is particularly important in modern engines, where thermal parameters are closely linked to the control unit's software. Using the correct component helps maintain factory boost pressure values, reduce the risk of overheating, and ensure compatibility with injection maps.

Construction and Technical Characteristics

The air cooler in this series has been designed as a component with optimized airflow and an appropriately selected heat exchange surface. The construction includes:

• an efficient core ensuring effective heat dissipation under loads typical for OM656 engines,
• airflow channels adapted to the turbocharger's parameters,
• installation compatible with factory mounting points in the W213 and C238 body.

A component configured in this way allows for maintaining a stable intake air temperature across a wide range of loads, which is particularly important during long highway drives and in high ambient temperature conditions.

Benefits of Using an Original Intercooler

Using the factory air cooler in an OM656 engine offers a number of practical operational benefits:

• Compatibility with the cooling and intake system – fits with standard hoses, mountings, and covers, without the need for modifications.
• Stable Diesel engine operating parameters – predictable charge air temperatures support even combustion and proper operation of emission control systems.
• Reduced risk of leaks – OEM construction minimizes the likelihood of connection issues at the interface with intake hoses.
• Improved performance consistency – during dynamic driving, the engine maintains similar power and torque values, without noticeable drops due to air overheating.

For users who expect predictable behavior and driving comfort from their Mercedes, choosing an original intercooler is a technically safe and long-term cost-effective solution.

Condition, Origin, and Practical Application

The offered component is a used part, sold as a used original Mercedes part. Such components are often chosen for turbocharging system repairs when preserving the factory specification at reasonable service costs is a priority. In many cases, they represent an attractive alternative to new parts, allowing for a technically correct repair without excessive budget strain.

If you are planning a comprehensive approach to your Mercedes' cooling and turbocharging system, it is worth checking out our guide: Summer Heat and the Cooling System – How Used Coolers Help Reduce Costs. You will find practical tips on operating and selecting cooling components in high temperatures.

Vehicle Fitment and Selection Support

To correctly select the Mercedes W213 C238 OM656 Intercooler Diesel Air Cooler for a specific engine and equipment version, it is recommended to compare catalog data and part numbers with your vehicle's documentation. If in doubt, it is advisable to seek assistance from a specialist who can verify compatibility with your car.

If you are simultaneously undertaking other service or upgrade work, you may also consider selecting additional components from the same functional group, available in the category Intercoolers – Practical Selection and Operation Tips. This will help you more easily plan a cohesive scope of repairs, covering the entire intake and charge air cooling system.