Wiper Arm Mercedes W204 W207 Windshield Front Driver's Side A2078200544

Mercedes W204 / W207 Windshield Wiper Arm – Driver Side is an original part from the Wiper Arms group, designed for the vehicle's windshield. It ensures stable wiper blade guidance, leading to clear visibility and safe vehicle operation in various weather conditions. This is a solution for users expecting factory fitment and predictable wiper system performance.

Specifications and technical data

• SKU: rhd-A2078200544
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2078200544
• Substitutable numbers: A2078200544, A 207 820 05 44, KD
• Location on the vehicle: Front
• Category: Wiper Arms

Purpose and Fitment

The presented wiper arm is designed for installation on the driver's side windshield of Mercedes W204 and W207 models. The construction is based on the manufacturer's original specifications, ensuring the correct geometry of the blade's pressure on the glass and the proper range of wiper operation. Proper fitment for the specific vehicle position minimizes the risk of vibrations, noise, and uneven water removal.

Construction and Performance Parameters

The wiper arm is a rigid, precisely shaped component of the windshield cleaning system, transferring motion from the drive mechanism to the wiper blade. The design ensures:

• stable blade guidance along the windshield's working arc,
• appropriate pressure on the glass surface throughout its operating range,
• controlled operation in conditions of rain, snow, and road debris.

By maintaining factory dimensions and mounting points, the arm works with the original wiper mechanism and the designated blade for this position, facilitating installation and subsequent use.

Condition and Benefits of Use

This part comes from a used vehicle, allowing for an economical replacement while maintaining performance characteristics close to factory standards. Choosing an original wiper arm over an aftermarket alternative reduces the risk of issues with incorrect working angles, insufficient or excessive blade pressure, and accelerated wear of the drive mechanism. This is particularly important in vehicles where the wiper system operates intensively in urban traffic and on highways.

Windshield Wiper System Application

The driver's side wiper arm is responsible for clearing the crucial field of vision, making its proper functioning directly impact driving comfort and safety. A correctly selected component:

• ensures even water removal from the central part of the windshield,
• minimizes streaks and blind spots,
• stabilizes blade operation at higher speeds.

Replacing a worn or damaged arm with an original component is recommended wherever symptoms such as uneven wiper operation, skipping across the glass, or visible arm deformation occur.

Mercedes Wiper System Expansion

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

For drivers interested in a broader approach to using second-hand components in automotive applications, including premium vehicles, an article describing the practical aspects of tuning and repairs using used parts may be helpful – you can find it here: Audi on Used Parts – Tuning and Repairs Without Quality Loss.