Mercedes-Benz Vito W639 Windshield Windscreen Wiper Arm Right O/S A6398200844

The Mercedes-Benz Vito W639 Wiper Arm is an original part from the wiper arms category, designed for the right side of the vehicle. Engineered by the vehicle manufacturer, this arm ensures proper wiper operation geometry, stable blade pressure against the windshield, and predictable performance in all weather conditions.

Specifications and technical data

• SKU: A0018205544
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0018205544
• Substitutable numbers: A0018205544, A 001 820 55 44, A6398200844, A 639 820 08 44, A6398200144, A 639 820 01 44
• Location on the vehicle: Right
• Category: Wiper Arms

Intended Use and Fitment for Mercedes-Benz Vito W639

The offered wiper arm has been specifically designed for the Mercedes-Benz Vito W639 model, taking into account the characteristic windshield line and the operating range of the wiper mechanism. Its placement on the right side of the vehicle guarantees compatibility with the factory setup, resulting in:

• correct wiper angle relative to the windshield,
• uniform removal of water and debris,
• maintenance of the driver's field of vision as designed by the manufacturer.

By adhering to factory mounting parameters, the arm works seamlessly with the original wiper mechanism and the designated blade type, without requiring any modifications or adaptations.

Construction and Technical Properties of the Wiper Arm

The wiper arm is among the components that directly impact driving safety, hence its construction is optimized for rigidity, vibration resistance, and operational stability. Key features of this part include:

• precisely selected length and profile of the arm, ensuring adequate blade pressure against the windshield,
• the use of a spring-loaded section of the arm to compensate for windshield irregularities,
• stable mounting to the wiper mechanism axis, minimizing operational play.

This configured design helps maintain windshield clarity during rain and snow, as well as when driving in conditions with road dirt, which is crucial for driver comfort and safety.

Used Condition – Practical Benefits

This part is a used component from a dismantled vehicle, meaning it has been previously used but still retains its manufacturer-intended functionality. Choosing this option is beneficial for users who:

• seek factory fitment without the cost of a new part,
• prefer original components over aftermarket replacements with uncertain specifications,
• wish to maintain the vehicle's technical consistency with OEM solutions.

A dismantled wiper arm is also a sensible choice from an operational perspective – a part designed by the vehicle manufacturer typically integrates better with the existing mechanism than random aftermarket replacements with different spring characteristics and weight.

Installation and Operation in the Wiper System

The right-side wiper arm is mounted directly onto the wiper mechanism axis, using the standard connection designed for this model. With proper installation, the user benefits from:

• stable blade operation throughout its full range of motion,
• reduction of wiper "skipping" at higher speeds,
• maintenance of the correct operating path relative to the bottom and side edges of the windshield.

Regular inspection of the wiper blade's condition and periodic cleaning of the arm help maintain the wiper system's efficiency at an appropriate level and extend its trouble-free operational life.

Why Choose Mercedes Wiper Arms

Using original wiper arms on the Mercedes-Benz Vito W639 is a solution that helps maintain the vehicle to the manufacturer's intended standard. This type of component ensures:

• factory fitment to the windshield and wiper mechanism,
• compatibility with other system components,
• predictable performance in daily operation.

If you need other parts from the wiper arms category dedicated to this brand, check out the Mercedes wiper arms available in our store to select components that match your vehicle's construction.

For post-accident repairs or comprehensive body restoration, it is worth considering the broader use of parts from dismantled vehicles. Practical tips on selecting used OEM parts and repair procedures can be found in the article Body and Chassis – Post-Accident Repairs Using Dismantled Parts, which helps plan service work in a technically sound and economical manner.