Mercedes W213 Vent Pipe Breather Line Hose A2135010225

Mercedes W213 Vent Pipe Breather Line Hose is an original crankcase ventilation system component designed for use in E-Class W213 generation models. As part of the Lines, Hoses and Pipes group, it ensures stable routing of vapors and gases, supporting the proper operation of the engine unit and reducing the risk of system leaks. This used OEM component is a sensible choice for servicing the factory installation in Mercedes vehicles.

Specifications and technical data

• SKU: A2135010225
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2135010225
• Substitutable numbers: A2135010225, A 213 501 02 25
• Category: Hoses, Lines & Pipes

Function and role of the vent pipe

The vent pipe in the Mercedes W213 is responsible for the controlled discharge of vapors from the system, which is important for both engine durability and the stability of operating parameters. A properly selected and airtight component:

• reduces the risk of oil and vapor leaks in the engine compartment,
• supports the maintenance of proper system pressure,
• reduces the possibility of errors related to system leaks,
• helps maintain the factory operating characteristics of the engine unit.

By maintaining the original geometry and connection diameters, the vent pipe is matched to the factory mounts and connectors in the Mercedes E-Class W213, which facilitates installation and service.

Original origin and fitment for Mercedes W213

The component was designed by Mercedes specifically for the W213 platform, which translates into compatibility with the factory engine compartment architecture. Original construction means:

• maintaining the correct routing of the pipe relative to other components,
• compatibility with factory brackets and fastening clamps,
• appropriate material resistance to temperature and contact with oil vapors.

Choosing a used OEM pipe is particularly beneficial for repairs where maintaining the factory routing layout and consistency with other system components is crucial.

Condition, verification and service application

The vent pipe offered in this listing is a used component, which allows for economical repair while maintaining the manufacturer's original specifications. This type of part is suitable for situations where:

• the existing pipe has cracked, chafed, or lost its flexibility,
• there are leaks in the ventilation system,
• replacement of the component is necessary after service intervention in the engine compartment.

Before installation, a standard visual inspection of the pipe and connection points on the vehicle is recommended to ensure proper seating and tightness of the entire system.

Benefits of using an original vent pipe

Using an original vent pipe in a Mercedes W213 brings a number of practical service and operational benefits:

• Stable ventilation system operation – proper flow of vapors and gases reduces the risk of engine performance issues.
• Factory fitment – no need for modifications, custom mounts, or the use of adapters.
• Consistency with other system components – the pipe works with original connectors and fittings, which facilitates diagnostics and future repairs.

For workshops and private users, this means shorter installation time, predictable service results, and maintaining a design consistent with the manufacturer's specifications.

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, cooling system hoses, or vent pipes, check out the available parts in the Mercedes Lines, Hoses and Pipes category.

For a more comprehensive approach to vehicle safety and service, it is also worth taking care of efficient lighting – practical tips on selecting used headlights and equipment can be found in the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.