Mercedes W205 W212 Turbo Charger Vacuum Hose Pipe Line M276 A2761400264

Mercedes W205 W212 Turbo Charger Vacuum Hose Pipe Line is an original boost system component designed for precise control of the turbocharger operation in the M276 engine. Thanks to its factory geometry and correct diameter, the hose ensures stable vacuum, which translates into proper turbine response and predictable engine performance. This solution is dedicated to users who expect consistency with factory specifications and reliable operation in daily use.

Specifications and technical data

• SKU: A2761400264-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2761400264
• Substitutable numbers: A2761400264, A 276 140 02 64
• Category: Hoses, Lines & Pipes

Purpose and function in the boost system

The turbocharger vacuum hose in Mercedes W205 and W212 models with the M276 engine is responsible for transporting vacuum between the control elements and the turbocharger. A properly selected and airtight hose:

• stabilizes the operation of actuators controlling the geometry or the turbine wastegate,
• reduces the risk of power drops resulting from leaks in the vacuum system,
• supports smooth torque delivery across the entire rev range,
• helps maintain correct boost values recorded by the engine control unit.

By maintaining the factory routing and shape of the hose, the vacuum system remains service-friendly, and the diagnosis of potential faults is simpler.

Construction and fitment for Mercedes W205 / W212

The offered component belongs to the Hoses, pipes and lines group, which means it has been designed to operate in an environment of elevated temperatures and variable pressure loads. The hose construction is optimized for:

• wall rigidity – limits deflection and collapse of the hose under high vacuum,
• resistance to oil vapors and typical contaminants in the engine bay,
• stable mounting in factory brackets and guides.

Such fitment facilitates installation in the engine bay and allows for maintaining the original installation routing, without the need for modifications or the use of additional clamps.

Component condition and service aspects

The hose is offered in used condition, which in practice means it comes from disassembly and has been verified for further serviceability. For the user, this means the possibility of an economical replacement of the component while maintaining compliance with the factory solution. Replacing the vacuum hose is particularly recommended when the vehicle experiences:

• power drops or irregular turbine pressure buildup,
• ECU errors related to the boost and vacuum system,
• visible signs of cracks, heat damage, or delamination of the old hose.

Using an original hose instead of universal replacements reduces the risk of mismatch in diameter, length, or shape, which is crucial for the long-term airtightness of the system.

Benefits of using an original vacuum hose

Choosing a turbocharger vacuum hose dedicated to the Mercedes W205 and W212 with the M276 engine brings a number of practical benefits:

• Stable boost parameters – proper vacuum allows the engine control unit to maintain target pressure values, which affects the engine's refinement.
• Better performance repeatability – the absence of leaks in the hose reduces fluctuations in power and torque.
• Consistency with factory design – the original hose routing facilitates service maintenance and subsequent diagnostics.
• Reasonable repair cost – a used component allows restoring system efficiency without the need to invest in a complete modernization of the accessories.

Related Mercedes vacuum system components

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 vacuum lines, vacuum hoses, or control pipes, check the available parts in the Mercedes Hoses, pipes and lines category.

For a broader perspective on technical solutions used by the brand and the selection of parts across different model generations, it is worth reading the article describing the development of flagship designs – you will find a detailed discussion in the material Evolution of the Mercedes S-Class: from W140 to W222 – innovations, model differences, and Mercedes auto parts over the years.