Mercedes W203 Windshield Windscreen Washer Wiper Arm Right O/S A2038200844

Mercedes W203 Windshield Windscreen Washer Wiper Arm Right O/S is an original component from the Wiper Arms category, designed for installation on the passenger side. It ensures stable guidance of the wiper blade across the windshield, which translates into a clear field of vision and safe vehicle operation in various weather conditions. This used OEM component is a sensible choice for servicing the wiper system when you prioritize factory fitment and predictable mechanism performance.

Specifications and technical data

• SKU: RHD-A2038200844
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2038200844
• Substitutable numbers: A2038200844, A 203 820 08 44
• Location on the vehicle: Right
• Part type: Wiper Arm
• Category: Wiper Arms

Purpose and technical function

The right wiper arm for the Mercedes C-Class W203 generation is responsible for transferring motion from the drive mechanism to the wiper blade on the outer side (right side of the vehicle). The arm's design is matched to the geometry of the windshield and the operating range of the entire system, ensuring that it:

• provides proper blade pressure against the windshield across the entire working length,
• maintains a stable movement path without excessive vibrations,
• reduces the "chattering" phenomenon of the blade at higher speeds,
• works in harmony with the factory wiper mechanism used in the W203.

Compatibility and fitment

The arm has been designed specifically for the Mercedes W203 platform, which means maintaining the correct length, operating angles, and mounting points. As a result, installation is predictable, and the factory wiper performance characteristics are preserved after assembly. Proper positioning on the right side of the vehicle eliminates the risk of collision with the left arm and cowl panel components.

Condition of the component and benefits of choosing a used part

The offered wiper arm is a used component, which in practice allows you to combine an attractive purchase cost with the preservation of the manufacturer's original specifications. For this type of component, it is crucial to maintain:

• correct arm geometry (no bends affecting pressure),
• functional mounting to the mechanism axis,
• a stable wiper blade mounting socket.

Choosing an original, used arm is often more predictable than installing cheap replacements of uncertain build quality.

Why choose Mercedes Wiper Arms

Factory Wiper Arms in a Mercedes are designed for long-term operation and correct interaction with the drive mechanism and blades. Using an original arm on the right side allows you to:

• maintain even windshield cleaning in the passenger zone,
• preserve the factory operating range and resting position of the wipers,
• minimize the risk of noise and vibrations during system operation.

If you are planning a comprehensive repair or upgrade of the windshield visibility zone in your Mercedes and need other components from the same group, such as additional arms, mounts, or parts that work with the blades, check out the available parts in the Mercedes Wiper Arms category.

Practical assembly and maintenance tips

When replacing the right wiper arm in a Mercedes W203, it is worth paying attention to a few technical aspects:

• setting the arm in the resting position according to the factory location,
• checking the condition of the wiper mechanism axis (no excessive play),
• selecting a wiper blade of the correct length and mounting type,
• verifying the system's operation through its full range before completing the installation.

This approach allows you to fully utilize the potential of the original arm and ensure a clear field of vision in daily operation.

If you are also interested in topics related to safe tuning and selecting used components, it is worth checking out our guide: 2.5 TFSI DAZA – how to safely increase the power of an Audi RS3 by buying used turbochargers.