Water Line Mercedes W205 X253 W213 Turbocharger Coolant Feed Pipe A2742030002

The Mercedes W205 X253 Petrol M274 Turbocharger Water Supply Hose is an original turbocharger cooling system component designed for the M274 petrol engines in the Mercedes C-Class W205 and GLC X253 models. This used part from the turbocharger and parts category allows for the restoration of proper coolant circulation within the turbine, promoting stable engine operation under load.

Specifications and technical data

• SKU: A2742030002
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2742030002
• Substitutable numbers: A2742030002, A 274 203 00 02
• Category: Turbos & Parts

Purpose and function of the turbocharger water line

This water line supplies the turbocharger with coolant, which reduces overheating of the turbine housing during intensive use. A properly functioning line:

• stabilizes the temperature in the turbocharger area of the M274 petrol engine,
• supports the durability of turbine bearings and seals,
• reduces the risk of local overheating during dynamic driving,
• helps maintain consistent performance in Mercedes W205 and X253 models.

By maintaining the factory geometry and connections, the hose is adapted to the cooling system in vehicles with the M274 unit, which simplifies installation and reduces the need for modifications.

Construction, fit and benefits of using OE parts

The turbocharger water hose in this offer comes from the Mercedes original equipment line, ensuring compliance with factory technical documentation. This means:

• appropriately selected cross-section and shape of the cable,
• connections prepared for cooperation with the serial turbocharger and cooling system,
• materials adapted to work at elevated temperatures and under pressure.

This solution is particularly beneficial when repairing the supercharging system, where precise matching of components has a direct impact on the tightness and reliability of the entire coolant circuit.

Used condition – a conscious choice when repairing a turbocharger

The turbocharger water hose offered is in used condition. For many users, this represents a reasonable compromise between repair costs and maintaining original build quality. Choosing a used OE component allows for:

• reduce expenses while maintaining factory specifications,
• avoid fit problems typical of replacements with imprecise geometry,
• maintain the integrity of the turbocharger and cooling system in Mercedes W205 and X253 cars.

The water line is particularly important in cars operated dynamically or on longer routes, where the charging system operates under increased thermal load.

How to select a turbocharger water hose by OEM numbers

To ensure the water hose is properly matched to your specific M274 engine configuration, it's worth verifying compatibility using the OEM part number and interchangeable part numbers shown in the technical specifications. This is the most reliable method for component selection for Mercedes C-Class W205 and GLC X253 models, especially when there are different equipment variants or modifications to the turbocharging system.

For additional tips on how to safely select components based on manufacturer numbers, including for Mercedes, see the guide on how to safely buy parts online using OEM numbers , which discusses practical methods for verifying component compatibility.

Mercedes turbochargers and parts – upgrades and tuning with used components

The turbocharger water line can be used not only for standard repairs but also for turbocharger modifications, where maintaining proper turbine cooling is crucial. For performance-oriented projects, many users consciously choose to use used OE components, combining them with other turbocharger components.

If you are planning to upgrade the supercharging system in your Mercedes and want to use used components wisely, it is worth reading the article Tuning with used parts - how to gain performance without breaking the bank , which discusses a practical approach to such modifications with an emphasis on safety and reliability.

Other turbochargers and parts for Mercedes

If you are also looking for other turbochargers and parts for Mercedes, check out our dedicated category: turbochargers and parts for Mercedes , where you will find a wide selection of turbocharger components adapted to various models of this brand.