Mercedes-Benz C W202 W203 M111 Engine Crankcase Breather Pipe Hose A1110181582

Mercedes-Benz C W202 W203 M111 Engine Crankcase Breather Pipe Hose is an original crankcase ventilation system component designed for use in Mercedes C-Class W202 and W203 generation vehicles. This component from the Lines, hoses and pipes group ensures proper oil vapor discharge and stable engine operation. Thanks to its factory-spec fitment, the pipe allows for precise installation without any modifications.

Specifications and technical data

• SKU: A1110181582
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1110181582
• Substitutable numbers: A1110181582, A 111 018 15 82, BG
• Location on the vehicle: Rear
• Category: Hoses, Lines & Pipes

Purpose and technical function

The engine breather pipe in a Mercedes is responsible for the controlled discharge of gases from the crankcase into the intake system. A properly selected component:

• stabilizes pressure in the crankcase,
• reduces the risk of oil leaks and engine bay contamination,
• supports smooth engine operation under various load conditions.

The offered pipe is dedicated for installation in the rear part of the vehicle, in accordance with the vehicle placement parameter, which facilitates the selection of the correct component for a specific system configuration.

Construction and fitment for Mercedes W202 / W203

The element has been designed with the breather system construction in Mercedes W202 and W203 models in mind, which translates into:

• properly contoured pipe geometry,
• adaptation to factory mounts and brackets,
• compatibility with original intake system connectors and fittings.

Thanks to this, the installation process is orderly, and the pipe maintains the correct positioning relative to other components in the engine bay and the rear part of the installation.

Condition, origin and benefits of using a used part

The offered pipe belongs to the used Mercedes parts group, which allows for economical repair while maintaining the manufacturer's original specifications. Choosing such a solution is particularly beneficial when you want to:

• maintain the consistency of the breather system with the factory design,
• reduce service costs while using an OEM component,
• maintain correct engine operating parameters without experimenting with aftermarket replacements.

If you want to better understand the impact of original used parts on vehicle value at resale, it is worth reading the article: Original used parts and car resale value – how not to lose money?.

Why it is worth using the correct breather pipe

A properly selected breather pipe in a Mercedes affects the durability of the engine and its operating culture. Using a dedicated component allows you to:

• minimize the risk of oil vapors escaping into uncontrolled areas,
• maintain stable fuel-air mixture parameters,
• reduce the formation of deposits in the intake system.

This solution is especially recommended when servicing the ventilation system, if the existing pipe shows signs of wear, cracks, or leaks.

System expansion – related components

If you are planning a comprehensive repair or upgrade of the ventilation and intake area in your Mercedes and need other elements from the same group, such as additional lines, hoses, or connecting pipes, check out the available parts in the Mercedes lines, hoses and pipes category.