Mercedes W212 W213 A238 M276 Turbocharger Oil Feed Line Right O/S A2760900477

Mercedes W212 W213 A238 M276 Turbocharger Oil Feed Line Right O/S is a specialized lubrication system component designed for the M276 engine family in Mercedes E-Class vehicles and related models. It is responsible for the precise delivery of oil to the right-hand turbocharger, which is crucial for its durability, stable operation, and the safety of the powertrain. Choosing an original oil line from the Oil pumps and parts group ensures that factory flow parameters and the reliability of the entire system are maintained.

Specifications and technical data

• SKU: A2760900477
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2760900477
• Substitutable numbers: A2760900477, A 276 090 04 77
• Location on the vehicle: Right
• Category: Oil Pumps & Parts

Purpose and function in the lubrication system

The described turbocharger oil feed line is designed to operate on the right side of the engine, in the immediate vicinity of the turbocharger. Its task is to provide stable, controlled oil delivery at the correct pressure to the turbine bearings, which reduces friction, dissipates heat, and minimizes the risk of rotor seizure. A correctly selected oil line is particularly important in turbocharged engines, where thermal and mechanical loads are significantly higher than in naturally aspirated units.

Construction and compatibility with the M276 unit

The line has been engineered with the geometry of the M276 engine and the engine bay layout of the W212, W213, and A238 models in mind. The properly shaped oil routing minimizes stress, reduces the risk of abrasion, and facilitates correct installation in the tight space of the engine compartment. The connections used are adapted to the factory ports on the engine block and the turbocharger housing, which promotes system tightness and reduces the risk of oil leaks during operation.

Benefits of using an original oil line

Replacing the turbocharger oil line with a component that meets factory specifications allows for the restoration of proper turbine operating conditions after repairs or upgrades to the forced induction system. Key benefits include:

• maintaining proper oil pressure and flow rate within the right turbocharger,
• reducing the risk of overheating and accelerated bearing wear,
• improved engine stability under high load,
• limiting the possibility of oil leaks in the turbine area.

Thanks to the preservation of the factory line geometry, installation is straightforward, without the need to modify other components in the engine bay, which is particularly important in modern, compactly built units.

Vehicle placement and installation aspects

The line is intended for installation on the right side of the engine, in direct connection with the turbocharger and the engine lubrication system. During installation, it is recommended to:

• thoroughly clean the connection ports on the engine and turbocharger,
• check the condition of seals and mating surfaces,
• use appropriate tightening torques in accordance with service documentation,
• check the system for leaks after the first engine start.

This approach helps minimize the risk of needing to re-intervene in the lubrication system and ensures stable turbine operation in the long term.

Component condition and use in service practice

The offered turbocharger oil line comes from a Mercedes vehicle and is intended for re-installation as part of professional repairs or maintenance replacements. Such components are often used during:

• regeneration or replacement of the right-side turbocharger,
• repairing leaks in the lubrication system in the turbine area,
• preventive replacement of oil lines in high-mileage engines.

Selecting a line dedicated to a specific engine unit allows for consistency with factory service documentation and facilitates the diagnosis of potential future faults.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as oil lines, oil feed channels, or lubrication system supply parts, check the available parts in the Mercedes Oil pumps and parts category.

For a comparison of the characteristics of different diesel units and a better understanding of how engine design affects accessory durability, it is worth reading the article BMW N47 vs M57 / M57N / M57N2 – a ranking of legendary diesels, which discusses the performance, reliability, and operating costs of popular engines from the secondary market.