Mercedes ML W163 270 CDI Gearbox Oil Radiator Cooler A1635000202

Mercedes ML W163 270 CDI Gearbox Oil Radiator Cooler is a specialized drivetrain component responsible for stabilizing oil temperature in the automatic transmission. A properly selected oil cooler ensures safe operating conditions for the transmission, reduces the risk of overheating, and supports the durability of the entire drivetrain. This component is designed for Mercedes vehicles, which guarantees a construction matched to the manufacturer's factory specifications.

Specifications and technical data

• SKU: A1635000202
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1635000202
• Substitutable numbers: A1635000202, A 163 500 02 02
• Category: Intercoolers

Function and role of the gearbox oil cooler

The gearbox oil cooler in the Mercedes ML W163 270 CDI model is responsible for dissipating excess heat from the transmission fluid generated during the operation of the automatic transmission. Maintaining a stable temperature of the lubricating medium:

• reduces oil degradation and the loss of its lubricating properties,
• supports smooth gear shifting under various load conditions,
• decreases the risk of damage to internal transmission components,
• positively influences the overall performance of the drivetrain system.

A well-chosen oil cooler is particularly important in vehicles used for towing, off-road driving, or in urban conditions where the transmission operates at elevated temperatures.

Purpose and fitment for Mercedes ML W163 270 CDI

The presented gearbox oil cooler has been designed for use in the Mercedes ML W163 series with the 270 CDI engine, which means the design is compatible with factory mounting points and the oil line layout. As a result, installation is straightforward, without the need for system modifications or the use of non-factory adapters.

This element belongs to the Intercoolers group, which highlights its role in the indirect dissipation of heat from the drivetrain and maintaining stable transmission operating parameters across various load ranges.

Characteristics of the used component

The offered gearbox oil cooler is a used part, which allows for an economical vehicle repair while maintaining a design consistent with the manufacturer's solutions. This type of component is particularly attractive in situations where a quick replacement of a damaged cooler is necessary while keeping to a reasonable service budget.

Choosing a used sub-assembly from this group allows for:

• reducing repair costs compared to new aftermarket replacements,
• maintaining original geometry and connection methods to the system,
• preserving structural consistency with other drivetrain components.

Benefits of a properly functioning oil cooler

A functional gearbox oil cooler in the Mercedes ML W163 270 CDI translates into real operational benefits. Stable oil temperature supports smooth gear shifting, reduces jerking and delays, and also lowers the risk of overheating during prolonged driving in high ambient temperatures. This, in turn, impacts the transmission's lifespan and the comfort of using the vehicle in everyday conditions.

To better understand the impact of temperature on the cooling system and associated components, it is worth reading the guide describing operation in high temperatures: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Expanding the drivetrain cooling system in Mercedes

If you are planning a comprehensive repair or upgrade of the drivetrain cooling area in your Mercedes and need other elements from the same group, such as additional heat exchangers, oil cooling modules, or supplementary radiators working with the transmission, check the available parts in the Mercedes Intercoolers category.