Mercedes W169 W245 Gearbox Oil Cooler Radiator Pipe Hose Line A1692700796

The Mercedes W169 / W245 Transmission Oil Cooler Hose is an original drivetrain component designed to work with the factory oil cooler. It ensures stable coolant medium flow between the transmission and the cooler, which translates to a safe operating temperature for the gearbox and extended component lifespan. A used OEM part is a sensible choice for servicing the automatic or automated transmission in Mercedes compact class models.

Specifications and technical data

• SKU: A1692700796-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1692700796
• Substitutable numbers: A1692700796, A 169 270 07 96
• Part type: Oil Cooler Line
• Category: Oil Coolers & Lines

Function and Role in the Transmission Oil Cooling System

The transmission oil cooler hose is responsible for transporting transmission oil between the gearbox housing and the heat exchanger. A correctly selected and sealed component:

• stabilizes the transmission oil temperature,
• reduces the risk of overheating during city and highway driving,
• supports smooth gear changes,
• decreases the mechanical and thermal load on the internal gearbox components.

This ensures the oil cooling system operates predictably, and the transmission maintains its performance over a longer service life.

Construction and Fitment for Mercedes W169 / W245

The offered hose belongs to the Oil Coolers and Hoses category, meaning it has been specifically designed to operate within the transmission oil circuit. Its shape, connection diameters, and mounting points are adapted to the engine bay architecture of the Mercedes A and B-Class models of the specified generation, facilitating installation without modifications.

Its original Mercedes origin guarantees compliance with factory quality standards, as well as proper fitment with the oil cooler and transmission housing. This is particularly important for components operating under pressure and at elevated temperatures.

Condition, Application, and Benefits of Installation

This part is a used component from a dismantled vehicle and is offered as a used transmission oil cooler hose. This type of part is often chosen for:

• repairs after oil leaks from hoses,
• transmission servicing after overheating,
• restoring the completeness of the oil cooling system after a collision,
• economical repairs in place of a costly new component.

A correctly selected hose allows for the restoration of proper oil circulation in the transmission, reduces the risk of pressure drops, and ensures stable operating conditions for the gearbox in daily use.

Technical Support and Additional Information

Before purchasing, it is advisable to compare the shape and type of connections with the component currently installed in your vehicle to confirm full compatibility. It is also helpful to check the designations in the service documentation or parts catalog, which facilitates selecting the correct variant for your specific engine and transmission configuration.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mercedes and require other components from the same group, such as return hoses, supply lines, or additional sections of the oil system, check the available parts in the Mercedes Oil Coolers and Hoses category.

To better understand the impact of an efficient cooling system on the durability of the engine and gearbox, we recommend reading the guide on our blog: Engine Cooling System – Overheating, Repair, and Used Coolers. There you will find practical tips on diagnosing overheating issues and the role of oil coolers in protecting components.