Mercedes W251 Wiper Arm Rear Window Tailgate Trunk Wiper A2518200944

The Mercedes W251 Rear Wiper Arm for Trunk Lid is an original part from the Wiper Arms group, designed for installation on the tailgate. It ensures stable wiper blade guidance, which translates to clear visibility through the rear window and safer vehicle maneuvering. A used OEM component is a sensible choice for drivers seeking a part with factory fitment and predictable performance parameters.

Specifications and technical data

• SKU: A2518200944
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2518200944
• Substitutable numbers: A2518200944, A 251 820 09 44
• Location on the vehicle: Rear
• Category: Wiper Arms

Purpose and Technical Function

The rear wiper arm in the Mercedes W251 is responsible for precisely pressing the wiper blade against the trunk lid glass surface. A correctly selected part guarantees:

• uniform pressure along the entire length of the blade,
• stable operation throughout the full range of motion,
• efficient removal of water, mud, and debris from the rear window,
• proper cooperation with the wiper drive mechanism.

Thanks to the correct profile and geometry of the arm, the rear wiper system maintains factory performance parameters, which is important for both driving comfort and safety when reversing or changing lanes.

Construction and Fitment for Mercedes W251

The offered arm has been specifically designed for installation on the rear body section of Mercedes W251 models, taking into account the shape of the glass and the construction of the trunk lid. This means:

• factory mounting points to the wiper axis,
• appropriately selected length and working angle,
• compatibility with the dedicated wiper blade,
• maintenance of the correct movement path across the glass surface.

Such a precise fit minimizes the risk of vibrations, blade skipping, or uncleared areas on the glass, which often occurs when using non-original aftermarket parts with universal designs.

Condition, Benefits of Choosing a Used Part, and Installation Aspects

The part is offered in used condition, allowing for a combination of an attractive price with the preservation of the manufacturer's factory specifications. In practice, this means:

• original manufacturing quality characteristic of the Mercedes brand,
• construction consistent with the requirements of the wiper system,
• possibility of installation as a direct replacement for a worn or damaged arm.

When replacing the rear wiper arm, it is advisable to pay attention to the correct setting of the rest position and the condition of the drive axis and blade to fully utilize the potential of the newly installed part. Precise alignment with the wiper mechanism facilitates installation and reduces service time.

Support in Selection and Wiper System Expansion

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

Summary

The Mercedes W251 Rear Wiper Arm for Trunk Lid is a practical solution for users who want to restore the functionality of their rear wiper system while maintaining the factory manufacturing standard. A used, original part from the Wiper Arms group ensures proper blade guidance, stable operation in various weather conditions, and improved visibility through the rear window, which directly impacts the comfort and safety of daily vehicle operation.