Ventilation Grille Mercedes W221 Rear Left N/S Bottom Air Vent A2218310136

Visual condition of the part

The product shows signs of use visible in the photos.

Ventilation Grille Mercedes W221 Rear Left N/S Bottom Air Vent is an original air ventilation system component designed for the rear left side of the cabin. It ensures organized airflow in the floor area, improving thermal comfort for rear passengers. Thanks to its factory fitment for the W221 model, the grille integrates harmoniously with the interior trim and maintains a consistent, aesthetic appearance of the floor upholstery.

Specifications and technical data

• SKU: A2218310136
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218310136
• Substitutable numbers: A2218310136, A 221 831 01 36
• Location on the vehicle: Rear, Left
• Category: Trim

Purpose and function of the air vent grille

The presented grille is a component of the floor ventilation system in the rear of the vehicle, mounted on the left side. It is responsible for directing the airflow in the lower cabin area, which is important for both heating and cooling the space for passengers. Precise air guidance reduces local cooling or overheating and supports even temperature distribution in the luxury limousine that is the Mercedes S-Class W221 generation.

Interior fitment and installation

The black color of the grille has been selected to match typical W221 interior configurations, ensuring the component does not visually stand out from other center console and carpet elements. The design, intended for a specific mounting location in the rear left floor area, facilitates proper seating in the factory mounting points. The original geometry of the component promotes a tight connection with the air duct, which minimizes flow losses and unwanted noise.

Performance characteristics of the used component

As a part from the Trims, decorative strips, and decorations category, the grille serves both a technical and finishing function. The used component allows for an economical replacement of a damaged or missing part without interfering with other parts of the ventilation system. This is a practical solution for post-accident repairs, replacing worn interior elements, or restoring the vehicle to a factory-like condition.

Benefits of using the original floor grille

• Factory fitment for the W221 model in the rear left floor area.
• Consistent black color scheme in line with typical interior finishes.
• Maintenance of proper airflow direction in the rear passenger footwell.
• Aesthetic closure of the ventilation duct without the need for modifications.
• Cost-effective solution through the use of a pre-owned component.

Expansion of interior and ventilation system upgrades

If you are planning a comprehensive repair or upgrade of the interior trim area in your Mercedes and need other elements from the same group, such as masking panels, decorative strips, or additional covers, check the available parts in the Mercedes trims, decorative strips, and decorations category.

For drivers interested in broader optimization of the drivetrain and driving characteristics, guide materials may also be useful – practical tips on choosing axle and differential gear ratios to suit your driving style can be found in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style.