Mercedes W205 Crankcase Ventilation Bleed Line Hose Pipe A2055012625

Mercedes W205 Crankcase Ventilation Bleed Line Hose Pipe is an original component from the Lines, hoses and pipes group, designed for use in the auxiliary systems of the W205 series models. The carefully designed geometry of the hose ensures stable medium routing and proper operation of related components, which translates into safe vehicle operation. This used OEM component is a sensible choice for maintenance when you prioritize factory fitment and predictable performance parameters.

Specifications and technical data

• SKU: A2055012625
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055012625
• Substitutable numbers: A2055012625, A 205 501 26 25
• Category: Hoses, Lines & Pipes

Technical characteristics of the ventilation hose

The ventilation hose in the W205 body is responsible for the controlled discharge of gases or air from a specific circuit, which limits the risk of overpressure or airlocks in the system. The design of the component is based on a precisely formed pipe that:

• routes the medium along the path planned by the manufacturer, while maintaining appropriate bending radii,
• minimizes stresses resulting from engine operation and body vibrations,
• ensures a stable connection with adjacent system components.

Thanks to this, the hose maintains tightness and proper flow, which is crucial for the correct operation of the vehicle's related systems.

Original origin and fitment for Mercedes W205

Mercedes W205 Crankcase Ventilation Bleed Line Hose Pipe comes from the vehicle manufacturer's range, which means full compliance with factory technical documentation. The original mounts, connection diameters, and hose routing are designed specifically for the architecture of the W205 engine bay and chassis. In practice, this translates into:

• secure fitment with factory brackets and clamps,
• no need for installation modifications or custom adapters,
• maintenance of the manufacturer-specified distances from hot and moving parts.

Such fitment reduces the risk of chafing, leaks, and unwanted hose vibrations during operation.

Component condition and service application

The offered hose is a used OEM component, which allows for economical repair while maintaining the original specification. This type of part is particularly suitable in situations where:

• the existing hose has suffered mechanical damage (cracks, abrasions, broken connectors),
• there are leaks in the ventilation circuit,
• replacement of the element is necessary after intervention in the given area of the system.

Using an original hose from the same model platform helps maintain system performance parameters at a level consistent with the manufacturer's assumptions, without the risk of mismatch characteristic of universal replacements.

Benefits of using an original ventilation hose

Choosing this element from the Lines, hoses and pipes group in a Mercedes vehicle brings a number of practical advantages:

• factory hose geometry reduces the risk of collision with other components in the engine bay,
• original connection ends facilitate assembly and disassembly during service work,
• maintaining the designed patency and internal cross-section supports stable operation of the ventilation system.

An element configured in this way allows for restoring proper system operating conditions, which is important for both component durability and vehicle comfort.

If you are planning a comprehensive repair or upgrade of the auxiliary systems area in your Mercedes and need other elements from the same group, such as flexible hoses, rigid pipes, or sections of technical hoses, check the available parts in the Mercedes Lines, hoses and pipes category.

For drivers interested in a broader perspective on selecting used components and the impact of modifications on vehicle character, an article describing the practical aspects of installing a sports exhaust system in premium segment cars may be helpful – you can find it here: Second-hand Mini John Cooper Works Pro sports exhaust – a legal way to get a racy sound and +7 HP.