Mercedes E-Class W211 E270 CDI E320 CDI Intercooler Air Charge Cooler Radiator

Mercedes E-Class W211 E270 CDI E320 CDI Intercooler Air Charge Cooler Radiator is a factory-fitted intake system component designed for installation in the front of the vehicle. It is responsible for stable cooling of the charge air, which translates into better diesel engine efficiency and consistent performance. A used, original component of this type is a sensible choice for drivers looking for a technically matched solution for E-Class W211 and S211 series models.

Specifications and technical data

• SKU: A2115001102
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115001102
• Substitutable numbers: A2115001102, A 211 500 11 02, E-Class, W211, S211
• Location on the vehicle: Front
• Category: Intercoolers

Function and role of the charge air cooler

The intercooler in the Mercedes E-Class turbocharging system is responsible for lowering the temperature of the compressed air before it enters the intake manifold. A lower charge air temperature promotes stable combustion, improves the refinement of the CDI unit, and helps maintain consistent power across a wide range of loads. A properly selected charge air cooler also helps protect the turbocharger and auxiliary components from excessive thermal stress.

Purpose and fitment for the Mercedes E-Class

The presented intercooler is designed for installation in the front of the body, within the cooling airflow zone. The design has been engineered for the specifics of the E270 CDI and E320 models from the W211/S211 family, which ensures proper routing of intake hoses, compatibility with factory mounts, and correct fitment with other cooling system components and the bumper.

As a result, installation is straightforward, without the need for modifications to the body structure. For the user, this means maintaining the original airflow geometry, and thus predictable engine behavior in urban conditions, on the highway, and during prolonged operation under load.

Benefits of using an original intercooler

Using an original component from the Intercoolers group instead of a worn-out or non-factory replacement allows you to maintain engine performance parameters at the levels intended by the manufacturer. In practice, this translates into:

• more stable charge air temperature during repeated acceleration,
• reduced risk of power drops resulting from charge air overheating,
• better cooperation with the factory engine control unit and turbocharging system,
• maintenance of proper airflow through the front of the vehicle.

For E-Class owners, this means maintaining driving comfort, predictable throttle response, and adequate power reserves when overtaking, without the need to invest in a new, expensive component.

Condition, installation, and operational aspects

The offered charge air cooler is a used part, which allows for reduced repair costs while maintaining the factory design. Before installation, it is recommended to perform a standard inspection of the intake system for hose tightness, mount integrity, and cleanliness of the flow channels to fully utilize the heat exchange potential.

The intercooler mounted at the front of the vehicle operates in demanding conditions – it is exposed to high temperatures, moisture, and road debris. Regular inspection of the condition of the external cooling fins and connections to the intake hoses helps maintain the efficiency of the turbocharging system and reduces the risk of performance degradation in the long term.

Operation in high temperatures and additional materials

During the summer season, the engine cooling system and the intercooler operate under increased thermal load. It is worth checking out practical tips on the operation and selection of used cooling components in our guide: Summer heat vs. cooling system – how to safely use used radiators and fans. There, you will find information on how to consciously combine used cooling components to maintain safety and control service costs.