Mercedes W206 254.915 1.5 Petrol Vacuum Pump A2541407200 is an original vacuum pump designed for petrol systems, used in modern Mercedes powertrains. This component is responsible for generating stable vacuum necessary for the proper operation of the vehicle's assistance and control systems.
Specifications and technical data
- SKU: A2544300000
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2544300000
- Substitutable numbers: A2544300000, A 254 430 00 00
- Fuel type: Petrol
- Part type: Vacuum Pump
- Category: Vacuum Pumps
Purpose and Function of the Vacuum Pump
The presented pump belongs to the category of vacuum pumps and is used in Mercedes W206 series petrol engines with the 1.5 unit. Its task is to generate stable vacuum for systems such as the brake servo, engine control elements, or selected vacuum actuators. A properly functioning vacuum pump translates into reliable brake system operation, predictable brake pedal response, and correct cooperation with control electronics.
Construction and Technical Characteristics
The vacuum pump in this Mercedes model is a mechanical construction driven by the engine, which ensures continuous vacuum generation across a wide range of RPMs. This solution is particularly important in modern petrol units, where traditional vacuum sources from the intake manifold are limited by turbochargers, variable valve timing systems, or fuel-saving strategies.
Original manufacturing ensures:
- precise fit to the powertrain – compatibility with factory mounting and vacuum line layout,
- stable operating parameters – maintaining the correct vacuum level under typical operating conditions,
- compatibility with the petrol system – construction adapted to the characteristics of an engine powered by petrol fuel.
Application in the 1.5 Petrol Engine
In the modern 1.5 petrol engine, the use of a dedicated vacuum pump allows for:
- relieving the intake manifold from the function of generating vacuum,
- precise control of auxiliary components (e.g., brake servo, selected control valves),
- maintaining stable operating parameters even under variable load and dynamic driving.
Thanks to this, the brake system and driver assistance systems maintain predictable operation, which directly impacts the safety and comfort of driving the vehicle.
Condition, Origin, and Benefits of Choosing OE Parts
The pump belongs to the group of original Mercedes parts, meaning compliance with factory technical documentation and parameters specified by the vehicle manufacturer. As a used part, it represents a cost-effective solution while maintaining characteristics close to factory specifications, especially for repairs of vacuum systems in newer models.
Choosing an original vacuum pump ensures, among other things:
- factory fit to the engine – no need for modifications to mountings or lines,
- compatibility with engine control unit software – operating parameters consistent with control maps,
- reduced risk of compatibility issues compared to aftermarket parts of unknown origin.
Selection, Diagnostics, and Technical Knowledge
When selecting a vacuum pump for the Mercedes W206 with a petrol engine, it is worth paying attention to compatibility with the specific powertrain version and equipment configuration. Comparing the body design, the arrangement of vacuum ports, and the mounting method to the engine is helpful. If in doubt, it is advisable to consult service documentation or seek support from a specialist dealing with vacuum systems.
For those who want to better understand the connections between pumps and engine supply, an article describing the construction and maintenance of fuel systems may be useful – you can find it here: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. It helps to organize knowledge about the cooperation of supply pumps, injectors, and engine control.
Other Mercedes Vacuum Pumps
If you are looking for other Mercedes vacuum pumps, check out our dedicated category: Mercedes Vacuum Pumps. This will allow you to easily compare available solutions within the same brand and select the appropriate part for your specific model and engine version.
