Mercedes W204 Turbocharger Oil Pipe Inlet Line Petrol M274 A2740902700

The Mercedes W204 Petrol M274 Turbocharger Oil Hose is an original turbocharger and parts component designed for the M274 petrol engines in Mercedes W204 models. It ensures a stable oil supply to the turbocharger, ensuring safe operation of the turbocharger system and long-lasting engine performance.

Specifications and technical data

• SKU: A2740902700
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2740900577
• Substitutable numbers: A2740902700, A 274 090 27 00, A2740900577, A 274 090 05 77
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and function of the turbocharger oil line

The turbocharger oil line hose in the M274 petrol engine is responsible for the controlled flow of lubricating oil to the turbine wheel. A properly functioning hose:

• stabilizes the oil pressure in the turbocharger,
• reduces the risk of overheating of rotor components,
• reduces wear of turbine bearings and seals,
• supports maintaining the appropriate engine operating culture under load.

Selecting the right hose is particularly important in petrol engines, where the turbocharger operates at higher temperatures and with dynamic load changes.

Genuine Mercedes part – fits W204 and M274 engine

The original origin of the hose means full compatibility with the factory lubrication system geometry in the Mercedes W204 with the M274 engine. This ensures:

• the mounting points and cable shape correspond to the standard routing in the engine compartment,
• the correct distance from hot elements (collector, turbine housing) is maintained,
• there is no need for modifications or fitting replacements.

This solution facilitates installation and reduces the risk of leaks, which has a direct impact on the failure-free operation of the turbocharger .

Used condition - practical benefits

The hose is offered in used condition, allowing for cost-effective repair of the supercharger system while maintaining its original build quality . A used component of this type is a good solution when:

• the existing cable has been mechanically damaged or corroded,
• After regenerating the turbocharger, it is necessary to replace the oil system,
• you want to maintain factory specifications without resorting to unreliable substitutes.

Choosing an original used cable is a reasonable compromise between the cost of repair and durability and operational safety.

Benefits of a properly functioning oil line

A functioning turbocharger oil line hose in a Mercedes W204 with an M274 engine affects several key areas of operation:

• Turbocharger protection – stable lubrication reduces the risk of seizure and oil leaks into the intake system.
• Better performance of the petrol engine – even charging promotes smooth acceleration and predictable response to gas.
• Lower risk of costly breakdowns – adequate oil flow reduces thermal load on rotor and bearing components.
• Consistency with the factory design – maintaining the original cable routing facilitates future service and diagnostics.

Turbochargers and parts for Mercedes - expansion of the supercharging system

If you're looking for other turbochargers and parts for Mercedes, check out our dedicated offer: turbochargers and parts for Mercedes . You'll find components there that allow for a comprehensive approach to servicing and upgrading your car's turbocharger system.

Used parts for tuning and modernization

Replacing the turbocharger oil line often accompanies extensive work on the supercharger, exhaust system, or engine modifications. If you're interested in how to practically use used components to improve your car's performance and characteristics, check out the blog post: MINI John Cooper Works – What Makes It Different and How to Improve Your MINI? The article shows how to consciously use used components during upgrades, which can also be inspirational for Mercedes-Benz projects.