Mercedes W212 S212 C207 Gearbox Oil Cooler Pipe Hose Line A6511808530

The Mercedes W212 S212 C207 Gearbox Oil Hose Line is an original part from the Oil Coolers and Hoses group, designed for the automatic gearbox lubrication system in Mercedes vehicles. A used oil line allows for an economical yet technically correct repair of the oil circuit, maintaining the gearbox's factory performance characteristics.

Specifications and technical data

• SKU: A6511808530
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511808530
• Substitutable numbers: A6511808530, A 651 180 85 30
• Category: Oil Coolers & Lines

Purpose and Function of the Gearbox Oil Line

The Gearbox Oil Hose Line is responsible for safely routing oil between the gearbox and the oil cooling system components. Stable pressure and proper lubricant flow are crucial for protecting the gearbox from overheating and excessive wear.

In Mercedes E-Class and related models (W212, S212, C207), such a line operates under demanding temperature and pressure conditions. Therefore, using an original component from the Oil Coolers and Hoses category helps maintain proper sealing and compatibility with the system's factory geometry.

Benefits of Using an Original Mercedes Line

Using an original oil line in the gearbox system offers several practical benefits:

• maintaining the original line routing, which facilitates installation and reduces the risk of collision with other components,
• appropriately selected flexibility and rigidity, matched to the operation of the gearbox and oil cooler,
• compatibility with original connectors and mountings on the body and gearbox,
• maintaining proper oil flow, which promotes stable gearbox operating temperature.

As a result, a used OEM part can be a rational choice for servicing, combining controlled costs with the preservation of manufacturer-specified parameters.

Characteristics of the Used Part

The offered line is a salvaged part and is classified as a used original Mercedes component. This type of part is particularly attractive to users who want to maintain their car in a configuration close to factory specifications while optimizing repair costs.

In practice, this means the possibility of replacing a damaged, leaking, or corroded line with a part of the same construction specification, without the need for aftermarket alternatives with uncertain parameters. A used oil line can also be a good solution for phased regeneration of the gearbox oil cooling system.

Technical Support and Related System Components

Replacing the gearbox oil line often involves inspecting the entire oil cooling circuit – including the oil cooler, quick-connect fittings, and mountings. Properly performed service can reduce the risk of leaks and pressure drops that can negatively affect the durability of the automatic transmission.

If you are planning a comprehensive repair or upgrade of the automatic transmission lubrication and cooling system in your Mercedes and need other parts from the same group, such as additional oil lines, return sections, or supply sections, check the available parts in the Mercedes Oil Coolers and Hoses category.

How to Safely Use Used Parts

When choosing a used gearbox oil line, pay attention to the condition of the connectors, flexible sections, and any signs of corrosion on metal parts. A properly selected and inspected part can significantly reduce repair costs compared to a new part, while maintaining high system functionality.

If you want to better understand how high temperatures and loads affect the cooling system and when it is worthwhile to opt for used components, check out the guide Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings, where you will find practical tips on operation and maintenance.

Additional information on how to wisely use the second-hand parts market and how to save on car servicing while maintaining safety is also provided in the article Rising Repair Costs vs. the Boom in Used Parts – How to Save on Car Service?, which will help you plan your Mercedes service more consciously.