Mercedes-Benz Vito W639 Windscreen Front Wiper Arm Right O/S A0018204744

Mercedes-Benz Vito W639 Windscreen Front Wiper Arm Right O/S is an original component from the Wiper arms group, designed for operation on the right side of the windshield. Designed specifically for Mercedes vehicles, it ensures stable wiper blade guidance and effective water removal from the glass during daily use.

Specifications and technical data

• SKU: A0018204744
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0018204744
• Substitutable numbers: A0018204744, A 001 820 47 44, EM
• Location on the vehicle: Front, Right
• Category: Wiper Arms

Purpose and fitment for Mercedes Vito W639

The presented wiper arm is structurally adapted to the front right side of the vehicle, which guarantees the correct working angle of the blade and proper pressure against the windshield. Thanks to the factory design for the Mercedes Vito W639, the correct geometry is maintained, as well as compatibility with the drive mechanism and the mounting on the wiper spindle.

Such fitment reduces the risk of vibration, uneven water clearing, or excessive blade wear, which translates into safer visibility in difficult weather conditions.

Construction and function of the wiper arm

The wiper arm is responsible for transferring movement from the drive mechanism to the blade, keeping it in a stable position relative to the windshield. The design intended for the front right side of the vehicle ensures:

• the appropriate range of motion on the windshield surface,
• proper blade pressure on the glass throughout the entire cycle,
• secure blade attachment in the arm socket,
• smooth cooperation with the wiper mechanism.

Thanks to this, the wiper system maintains its functionality, and the driver receives a clear field of view during rain, snow, or when driving in conditions where the windshield is dirty.

Characteristics of the used component

The offered wiper arm is a used part, sourced from dismantling, which allows for an economical replacement of the component while maintaining factory origin. This type of component is a good choice in a situation where the existing arm has suffered mechanical damage, corrosion, or deformation affecting the operation of the blade.

Choosing an original arm from the secondary market allows you to maintain the structural integrity of the wiper system without the need to use replacements with uncertain fitment.

Application in the safety system and operation

A functional wiper arm has a direct impact on the efficiency of windshield cleaning, and thus on driving safety. In the event of symptoms such as:

• uneven adhesion of the blade to the windshield,
• uncleaned zones on the right part of the windshield,
• play in the arm mounting,
• visible deformations or corrosion of the structure,

replacing the arm with a functional component is a recommended service action. Installation proceeds as standard for this type of component, and after properly tightening the mount, the arm is ready for operation in the wiper system.

Expansion of the wiper system in Mercedes Vito

If you are planning a comprehensive repair or upgrade of the windshield area in your Mercedes and need other elements from the same group, such as additional arms, mounts, or compatible elements working with blades, check the available parts in the Mercedes Wiper arms category.

Technical knowledge and interior upgrades

During service work, many users also consider improving the ergonomics of the driver's area and the quality of vehicle handling. If you are interested in the subject of steering system upgrades, replacing with models of a higher finish standard or sporty characteristics, it is worth reading the article Personalization and ergonomics – when is it worth replacing the steering wheel with a premium model?, which discusses the practical aspects of choosing Sport, M-Package, or AMG steering wheels.