Mercedes W251 Front Bumper Headlight Wiper Cover Cap Left N/S Obsidian Black-197

Mercedes W251 Front Bumper Headlight Wiper Cover Cap Left N/S Obsidian Black-197 in Obsidian Black Metallic is a practical body component that restores the aesthetics and functionality of the headlight washer system. This original cover from the Bumper inserts and covers group ensures a proper fit to the bumper line and stable mounting in the factory location.

Specifications and technical data

• SKU: A2518850126-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2518850126
• Substitutable numbers: A2518850126, A 251 885 01 26
• Location on the vehicle: Front, Left
• Color: Obsidian Black Metallic - 197
• Category: Bumper Inserts & Covers

Purpose and fitment

The presented cover is designed for installation on the front of the vehicle, on the left side, for the Mercedes R-Class W251 series. The component works with the factory headlight washer mechanism, covering it in the retracted position and protecting it from dirt and external factors.

Thanks to its design, which complies with the manufacturer's specifications, the cover allows for the proper operation of the extendable washer arm without restricting its travel or operating angle. This is essential both for effective headlight cleaning and for maintaining compliance with lighting homologation requirements.

Color and finish

The cover is finished in Obsidian Black Metallic, corresponding to the 197 paint code used by Mercedes. The metallic coating ensures visual consistency with the rest of the bodywork, reducing the need for additional painting when matching vehicles of the same shade.

Selecting the correct color is important not only for aesthetic reasons but also for practical ones – a correctly matched cover helps avoid shade differences on the bumper, which are particularly visible in the front area, in the immediate vicinity of the headlights and the hood.

Protective and operational function

The washer cover performs several key functions in the daily operation of the vehicle:

• protects the washer mechanism from dirt and moisture,
• stabilizes the position of the extendable element when at rest,
• limits the ingress of road salt and small stones into the bumper,
• maintains a consistent appearance of the front body section.

As a result, replacing a damaged or missing cover is a simple way to improve both the visual appeal of the car and protect the working components of the headlight washer system.

Characteristics of the used part

The offered component is a used part, which in practice means a favorable cost-to-quality ratio while maintaining the original geometry and mounting points. Such elements are particularly valued for post-accident repairs and for filling gaps in the bodywork when compliance with the factory bumper design is a priority.

In the case of washer covers, it is essential to maintain proper fitment with the bumper surface and correct interaction with the extending mechanism – an original, used part allows this effect to be achieved without the need for adjusting aftermarket replacements.

Support with selection and additional information

When selecting this cover, it is worth paying attention to the mounting side, body type, and vehicle paint color. In case of doubt, it is helpful to compare the shape and mountings with the element installed on the opposite side of the bumper or to consult a service center specializing in the Mercedes brand.

If you are planning a comprehensive repair or upgrade of the front bumper area on your Mercedes and need other elements from the same group, such as covers, inserts, or additional caps, check the available parts in the Mercedes Bumper inserts and covers category.

For drivers interested in the broader context of vehicle operation and the impact of individual systems on engine durability, an article describing the operation of the cooling system and the consequences of engine overheating may be useful – more information can be found in the material Engine cooling system – overheating, repair, and used radiators.