Mercedes C216 Manual Transmission Oil Cooler Pipe Line Hose Set M157 A2212706396

Mercedes C216 Manual Transmission Oil Cooler Pipe Line Hose Set is an original set designed for the lubrication and cooling system of the transmission in Mercedes vehicles with manual gearboxes. This component belongs to the Oil coolers and lines group, ensuring stable transmission oil flow between the gearbox and the cooler, as well as maintaining the proper operating temperature of the drivetrain.

Specifications and technical data

• SKU: A2212706396
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2212706396
• Substitutable numbers: A2212706396, A 221 270 63 96, A 221 270 64 96, A2212706496
• Gearbox type: Manual
• Part type: Oil Cooler Line
• Category: Engine Oil Coolers & Lines

Purpose and function in the drivetrain

The oil cooler pipe set in the C216 model with a manual transmission is responsible for the safe transport of transmission oil between the gearbox and the heat exchanger. Properly selected and leak-proof lines reduce the risk of transmission overheating, which translates into stable operation of synchronizers, bearings, and other internal components.

In the case of a manual transmission, maintaining the correct oil temperature is crucial for:

• maintaining the proper viscosity of the lubricant,
• reducing internal friction and operating noise,
• limiting the wear of gears and bearings,
• extending the service life of the entire transmission.

Original Mercedes component – fitment and compatibility

As a Mercedes brand product, the oil cooler pipe set has been designed for full integration with the factory drivetrain of the C216 body style. This ensures the correct geometry of the pipe routing, appropriate connection diameters, and the sealing standards applied by the manufacturer.

Thanks to this, installation is predictable, without the need for modifications or fitting universal replacements. The original solution allows for maintaining the factory operating parameters of the manual transmission oil cooling system, which is particularly important in vehicles with higher engine power.

Set characteristics and benefits of use

The manual transmission oil cooler pipe set in the C216 creates a cohesive flow system that has been factory-adjusted to the loads generated by the engine and transmission. Using this set allows you to:

• maintain stable oil pressure in the transmission cooling circuit,
• minimize the risk of leaks at connections thanks to factory-spec ends,
• ensure adequate resistance to temperature and vibrations occurring in the engine bay,
• limit the risk of failures resulting from gearbox overheating.

This is especially important in vehicles driven dynamically or on long routes, where the transmission oil cooling system operates at elevated temperatures for extended periods.

Condition, verification, and service application

This item comes from the used parts group, which allows for economical repair of the oil cooling system while maintaining the original manufacturer's specifications. This type of solution is often chosen in professional workshops specializing in the Mercedes brand, where both technical compliance and optimization of service costs are valued.

Before installation, a standard service procedure is recommended, including checking the tightness of connections, the condition of sealing surfaces, and the correct routing of the lines relative to other components in the engine bay. A properly installed pipe set supports the stable operation of the manual transmission and reduces the risk of oil leaks in the long term.

Cooling system expansion and service knowledge

In higher-power vehicles such as the Mercedes C216, the transmission oil cooling system works in conjunction with other components of the vehicle's cooling system. High ambient temperatures and intensive use can further strain this area, which is why the selection of appropriate components has a direct impact on the durability of the entire drivetrain. If you want to better understand how summer conditions affect the operation of the cooling system and how to use used parts wisely, it is worth checking out the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Related items from the same group

If you are planning a comprehensive repair or upgrade of the transmission lubrication and cooling area in your Mercedes and need other components from the same group, such as oil return lines, supply lines, or additional sections of the oil installation, check out the available parts in the Mercedes oil coolers and lines category.