Mercedes X156 C117 Exhaust Gas Recirculation EGR Valve A6511800822

Mercedes X156 C117 Exhaust Gas Recirculation EGR Valve is a specialized turbocharging system component responsible for the precise delivery of oil to the turbocharger in the front section of the vehicle. A properly selected oil line ensures stable lubrication of the rotor, which translates into safe turbocharger operation and reduces the risk of premature wear. This component is designed for use in Mercedes vehicles where consistency with the factory design and maintaining the engine's operating parameters are essential.

Specifications and technical data

• SKU: A6511800822
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6511800822
• Substitutable numbers: A6511800822, A 651 180 08 22
• Location on the vehicle: Front
• Category: EGR Parts & Valves

Function and role of the turbocharger oil line

The turbocharger oil line in Mercedes X156 and C117 models is responsible for transporting oil from the engine lubrication system to the turbocharger housing. Stable oil flow:

• ensures proper lubrication of the rotor bearings,
• helps dissipate heat from rotating components,
• reduces friction and the risk of turbocharger seizure,
• supports the maintenance of correct boost characteristics.

Thanks to its proper geometry and fitment for the front section of the vehicle, the line operates within the range intended by the manufacturer, which minimizes stress and the risk of leaks.

Purpose and vehicle fitment

The discussed line is a component of the turbocharger lubrication system in Mercedes vehicles with X156 and C117 bodies, mounted in the front area. Placement in this zone requires maintaining adequate temperature resistance and compatibility with other engine and auxiliary components.

Selecting a line consistent with the Mercedes design allows for maintaining:

• correct oil line routing relative to the turbocharger and engine block,
• compliance with factory mounting points,
• consistency with the operating parameters of the turbocharging system.

Technical category and system integration

The product belongs to the EGR Valves and Parts group, which means it is associated with the area of systems responsible for exhaust gas circulation and cooperating engine auxiliary components. In practice, the turbocharger oil line interacts with:

• the engine lubrication system,
• the turbocharging assembly,
• components controlling exhaust gas and boost air flow.

Such a connection requires maintaining high tightness and flow stability so as not to disrupt the operation of the entire intake and exhaust system.

Performance characteristics of the used component

As a used part, the turbocharger oil line is an economical solution for users who want to restore the efficiency of the turbocharging system without the need to invest in a new component. This type of element allows for:

• reducing repair costs while maintaining compliance with the Mercedes design,
• preserving the original oil routing geometry,
• effectively restoring the tightness of the turbocharger lubrication system after replacing a worn-out line.

Before installation, it is recommended to perform a standard inspection of the internal and external condition of the line and seals to ensure proper operation after installation.

Why choose a turbocharger oil line for a Mercedes

Choosing a turbocharger oil line dedicated to the Mercedes X156 and C117 is a way to maintain consistency with the manufacturer's factory solutions. A properly selected component:

• supports long-term and stable turbocharger operation,
• reduces the risk of oil leaks in the front part of the engine compartment,
• helps maintain the engine's operating parameters as intended by the manufacturer.

This is particularly important for vehicles where turbocharging has a key impact on driving dynamics and engine refinement.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as lines, pipes, or components cooperating with the exhaust gas recirculation system, check the available parts in the EGR Valves and Parts Mercedes category.

If you are also thinking about improving the comfort and ergonomics of your car's interior, you can find inspiration on using used equipment elements in the article Car interior tuning with Global Parts, which shows how to reasonably combine functionality with savings.