Mercedes W212 Wheel Arch Cover Rear Left N/S Splash Guard Panel A2126900930

Mercedes W212 Left Rear Wheel Arch Liner is a precisely fitted body part that protects the rear left wheel arch from dirt, water, and minor mechanical damage. As part of the Mudguards group, it effectively limits the ingress of road debris into the wheel arch, supporting the durability of suspension and body components. A used component allows for a technically correct repair while maintaining the factory mounting geometry.

Specifications and technical data

• SKU: A2126900930
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2126900930
• Substitutable numbers: A2126900930, A 212 690 09 30, BG
• Location on the vehicle: Rear, Left
• Category: Splash Guards & Mud Flaps

Purpose and Technical Function

The left rear wheel arch liner is designed specifically for Mercedes W212 series models, taking into account the characteristic body construction and rear wheel suspension. The element is mounted in the Rear, Left zone, where it is responsible for:

• limiting the contact of water, mud, and road salt with body and suspension components,
• stabilizing airflow within the wheel arch,
• protecting wiring and installations running in this part of the vehicle.

Thanks to its factory shape, the liner ensures proper adhesion to the body, which translates into predictable vehicle behavior during operation and easier cleaning of the wheel area.

Compatibility and Fitment

The offered liner is intended for use on the Mercedes W212 platform, meaning it maintains the original body line and is compatible with factory mounting points. This solution allows for:

• hassle-free installation in place of a damaged or missing liner,
• maintaining the structural integrity of the wheel arch,
• preserving correct clearances between the tire and body components.

Precise fitment for the specific vehicle location minimizes the risk of incorrect installation and eliminates the need for modifications.

Product Characteristics and Condition

The wheel arch liner belongs to the Mudguards group, which are elements responsible for protecting the wheel area from intense external factors. The product is offered as a used part, allowing for economical repair while maintaining the original structural specifications. A used component of this type is particularly beneficial in situations where technical functionality and proper body fitment are a priority.

This type of element is well-suited for both post-accident repairs and for replacing worn or deformed liners that no longer provide adequate wheel arch protection.

Benefits of Using an Original Wheel Arch Liner

Using a dedicated wheel arch liner in the Mercedes W212 offers a number of practical benefits:

• Body and Suspension Protection – limiting corrosion and accelerated wear of metal components in the wheel area.
• Stable Mounting – factory mounting geometry facilitates installation and ensures a secure fit in the wheel arch.
• Visual Consistency – maintaining a uniform appearance of the wheel well, which is important for bodywork and paint repairs.
• Improved Installation Protection – shielding wiring and auxiliary components routed in the rear part of the body.

If you are planning a comprehensive repair or upgrade of the rear wheel arch area in your Mercedes and need other parts from the same group, such as liners, mudguards, or additional protective panels, check the available parts in the Mercedes Mudguards category.

How to Wisely Choose a Used Wheel Arch Liner

When selecting a used wheel arch liner, it is crucial to pay attention to compatibility with the vehicle platform, the mounting side, and the body type. It is also worth ensuring that the element's design corresponds to the solutions used in a specific model generation. To better understand how to verify compatibility and avoid incorrect purchases, consult the guide: No More Wrong Purchases! How to Professionally Choose Used Car Parts.