Mercedes ML W164 Front Left N/S Door Sill Step Plate Entrance Cover Trim

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes ML W164 Front Left N/S Door Sill Step Plate Entrance Cover Trim is an original body component designed for installation on the left side of the vehicle's front section. It provides an aesthetic finish to the lower edge of the bodywork and serves as practical protection for the sill area against mechanical damage. This solution is dedicated to users who expect factory-fit quality and a consistent appearance with the rest of the body components in their Mercedes.

Specifications and technical data

• SKU: A1646901375
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1646901375
• Substitutable numbers: A1646901375, A 164 690 13 75
• Weight: 150
• Location on the vehicle: Front, Left
• Category: Running Boards & Side Bars

Purpose and function of the door sill trim

The presented door sill trim has been designed specifically for the Mercedes ML W164 generation, intended for the left side of the front body section. Its task is to protect the sill from stone chips, dirt, and minor impacts that occur during daily vehicle operation. At the same time, this element streamlines the side profile of the car, improving the visual consistency of the lower bodywork.

Thanks to a design compliant with the manufacturer's factory standards, the door sill trim works with the original mounting points on the body. This facilitates installation and allows for the maintenance of the correct geometry of the sill area, which is important for both appearance and subsequent service maintenance.

Construction, fitment, and installation

The door sill trim is a body component prepared for operation in demanding conditions typical of SUV-type vehicles. The design intended for installation on factory mounts ensures:

• precise fitment to the shape of the sill on the left side,
• stable seating in the front part of the vehicle,
• consistent side line flow with other body components.

The appropriately selected weight of the element helps maintain the correct balance between durability and comfort of use. It is recommended to perform the installation in accordance with the service procedures provided for the Mercedes ML W164 body, which helps to reduce the risk of stress and leaks in the sill area.

Performance characteristics and advantages

As an element from the Door sill trims group, this cover serves both a protective and aesthetic function. In daily operation, this translates into several practical benefits:

• protection of the lower body part against damage resulting from entering, exiting, and contact with road debris,
• maintaining a consistent appearance of the side bodywork, especially important during post-accident repairs or spot renovation,
• the ability to restore the factory look of the sill area without the need to use replacements with uncertain fitment.

The element comes from the Mercedes brand, which for many users means predictable material behavior over time and compatibility with other body components. The used nature of the part allows for an economical restoration of the original vehicle configuration while maintaining factory construction specifications.

Service application and part selection

The left door sill trim for the Mercedes ML W164 will prove particularly useful in situations where it is necessary to replace a single element after mechanical damage or corrosion within the sill area. Thanks to its assignment to a specific location on the vehicle, it is easier to avoid mistakes when selecting the side and mounting position. In practice, this facilitates the work of body shops and service centers specializing in the Mercedes brand.

If you are planning a comprehensive repair or upgrade of the sill area in your Mercedes and need other elements from the same group, such as covers, overlays, or additional trims, check the available parts in the Mercedes door sill trims category.

Preparing the car for the season and operation

The sill area is particularly exposed to moisture, road salt, and contaminants, which is especially significant during the autumn and winter periods. It is worth verifying the condition of trims, seals, and protective coatings to reduce the risk of accelerated body corrosion. Additional tips regarding the inspection of body components and other sub-assemblies before the low-temperature period can be found in the article Winter essentials: which used car parts are worth checking and replacing before the frost?.