Mercedes W204 Transmission Oil Filler Pipe Hose Tube Line A2042700084

Mercedes W204 Transmission Oil Filler Pipe Hose Tube Line is an original transmission system component, designed specifically for automatic transmissions in W204 series models. Precise fitment and factory geometry ensure reliable transmission fluid routing and facilitate transmission servicing, which translates into stable drivetrain operation and predictable vehicle behavior. This solution is intended for users who expect consistency with the original Mercedes design and wish to maintain compliance with service documentation.

Specifications and technical data

• SKU: A2042700084
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2042700084
• Substitutable numbers: A2042700084, A 204 270 00 84
• Category: Other Transmission & Drivetrain

Purpose and function in the transmission system

The transmission oil filler pipe in the Mercedes W204 is responsible for safely delivering transmission fluid to the transmission housing and enables checking the level of the working medium. A correctly selected component of this type is essential for:

• maintaining the proper oil level in the automatic transmission,
• reducing the risk of air pockets or overfilling the system,
• maintaining the correct operation of the control hydraulics and multi-plate clutches,
• facilitating periodic oil changes and service procedures.

Thanks to a design consistent with factory solutions, the pipe works with original mounting points and seals, which promotes the stability of the entire transmission system.

Why it is worth using the original oil filler pipe

In the case of components related to the transmission lubrication system, it is crucial to maintain the parameters specified by the vehicle manufacturer. Using the original oil filler pipe in the Mercedes W204 allows you to:

• maintain compliance with the factory technical specification of the transmission,
• minimize the risk of leaks at the connections with the transmission housing,
• ensure adequate rigidity and resistance to transmission oil temperature,
• avoid fitment issues typical of aftermarket parts with universal geometry.

This solution is particularly recommended for repairs where the priority is preserving the original operating characteristics of the transmission and compatibility with service procedures used in authorized service centers.

Component characteristics and installation aspects

The transmission oil filler pipe for the Mercedes W204 has been designed as a component working with the specific type of automatic transmission used in this model. This means that:

• its shape and length are matched to the space in the W204 engine bay,
• mounting points correspond to factory brackets and clamps,
• the working end is prepared to interface with the original socket in the transmission housing.

During installation, it is recommended to use new seals and verify the condition of breather hoses and associated components. A correctly installed pipe facilitates subsequent maintenance activities, such as checking the oil level or changing it in accordance with the manufacturer's recommendations.

Part condition and service application

The offered transmission oil filler pipe is a used component, which makes it an attractive option for repairs where a balanced cost-to-quality ratio is important. This type of part will prove useful in:

• maintenance repairs following mechanical damage to the existing pipe,
• restoring full system functionality after interventions in the engine bay,
• service centers that want to maintain the original vehicle specification while optimizing costs.

Before installation, it is worth verifying compatibility with the specific engine version and transmission in a given W204 unit, using service documentation or the manufacturer's part numbers.

Technical support and drivetrain development

If you are simultaneously analyzing the modernization or service of other drivetrain components, it is worth familiarizing yourself with educational materials regarding structural differences in sports versions of cars. A good point of reference may be the article on the comparison of powertrains and chassis in Audi RS models versus standard versions, which shows how manufacturers design lubrication and cooling systems in vehicles with higher load capacities.

If you are planning broader work on the drivetrain, it is also worth analyzing other components available in our offer to restore full efficiency and technical consistency of the entire powertrain in a single service stage.