Mercedes W212 Windscreen Wiper Arm Windshield Front Right O/S A2128201744

The Mercedes W212 Front Right Windscreen Wiper Arm is a component from the Wiper Arms group, designed for the driver's side in right-hand drive vehicles. It ensures stable blade guidance across the windscreen, resulting in clear visibility and safe vehicle operation in various weather conditions.

Specifications and technical data

• SKU: rhd-A2128201744
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2128201744
• Substitutable numbers: A2128201744, A 212 820 17 44, KD
• Location on the vehicle: Front, Right
• Category: Wiper Arms

Purpose and Vehicle Placement

The offered wiper arm is designed for installation on the front right side of the windscreen, within the wiper system's working area responsible for clearing the driver's field of vision in right-hand drive versions. The precisely selected geometry of the arm ensures correct blade pressure against the glass and proper operating range, which reduces streaking and improves water drainage efficiency.

Technical and Functional Characteristics

The windscreen wiper arm in this model is constructed as a rigid, deformation-resistant element that transfers motion from the drive mechanism to the blade. The design intended for the Mercedes W212 series guarantees:

• stable blade guidance across the entire designed windscreen area,
• appropriate pressure against the glass surface throughout the full range of motion,
• compatibility with the dedicated wiper blade mount,
• correct cooperation with the factory wiper mechanism.

By maintaining the original geometry and mounting points, the arm works with the wiper system without requiring modifications, which simplifies installation and reduces the risk of improper wiper operation.

Benefits of Using an Original Mercedes Wiper Arm

Using a component specifically designed for the Mercedes W212 series allows for the preservation of the factory operating parameters of the wiper system. The appropriately selected length, angle, and rigidity of the arm contribute to:

• uniform windscreen cleaning in the crucial visibility zone,
• reduced noise and vibration during wiper operation,
• less blade wear due to proper pressure,
• maintenance of compliance with the manufacturer's factory safety standards.

For users who value the technical consistency of the entire system, it is important that the arm comes from the same design line as other wiper system components in the Mercedes, which promotes trouble-free operation.

Condition of the Component and Practical Application

The wiper arm belongs to the group of used parts, allowing for economical repair of the system while maintaining the original manufacturer's specifications. This solution is particularly beneficial in cases of mechanical damage, such as arm bending, joint wear, or problems with blade pressure against the glass.

The component is suitable for both standard replacement of a damaged arm and for restoring the full functionality of the wiper system after a collision or intensive use. By maintaining the design intended for the specific body model, it is possible to quickly restore the correct blade path and improve driving comfort in the rain.

If you are planning a comprehensive repair or upgrade of the windscreen visibility area in your Mercedes and need other components from the same group, such as additional arms, mounts, or compatible blade holders, check the available parts in the Mercedes Wiper Arms category.

Selecting a Used Part – Technical Support

When choosing components from the secondary market, it is advisable to consider both technical and economic aspects, comparing them with new parts. It can be helpful to discuss the differences in durability, costs, and availability of individual solutions – this is described in more detail in the article Car Parts – New or Used? Comparing Costs, Quality, and Durability, which allows for better planning of the vehicle's service strategy.