Mercedes ML W164 Rear Window Rail Sealing Strip Left Right N/O/S A1647351765

Mercedes W164 Rear Door Window Seal Strip Left Right is a precise body part from the Doors and Door Panels group, designed for the rear door window on the left or right side. It is responsible for the tight guidance of the window, noise reduction, and protection of the interior from water and dirt, which directly impacts the vehicle's usability comfort.

Specifications and technical data

• SKU: A1647351765
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647351765
• Substitutable numbers: A1647351765, A 164 735 17 65
• Location on the vehicle: Rear, Right, Left
• Category: Doors & Door Skins

Purpose and Function of the Window Seal Strip

The rear door window seal strip in Mercedes W164 models operates in the critical contact area between the window and the door panel. It is responsible for:

• stable window guidance in the track during raising and lowering,
• limiting the ingress of water and moisture into the door interior,
• reducing wind noise at higher speeds,
• protecting the window edges from mechanical damage.

Thanks to its fit for the rear body section on both the left and right sides, the part ensures consistent door geometry and proper operation of the window lifting mechanism.

Compatibility and Body Fitment

The seal strip has been designed specifically for Mercedes vehicles of the W164 series, ensuring a proper fit for the rear door shape. The design intended for installation on both sides of the vehicle (rear left/right) simplifies part selection for accident repairs or replacement of worn-out seals.

As a component from the Doors and Door Panels group, the seal strip works with the door panel, window frame, and lifting mechanism, contributing to the correct body line and the overall sealing of the door assembly.

Characteristics of a Used Part

The offered window seal strip is a used part, sourced from disassembly. This type of component is a sensible choice for body servicing when you aim to maintain original geometry and material while optimizing repair costs. A used original part usually replicates factory fitment better than generic aftermarket replacements with universal profiles.

Choosing an original seal strip from disassembly allows for maintaining a consistent appearance of the window edge and proper pressure of the seal against the window and door frame, which translates to stable operation of the entire system.

Practical Application and Benefits of Installation

The installation of the rear door window seal strip in the Mercedes W164 is particularly recommended when symptoms such as:

• increased noise around the rear doors while driving,
• signs of water or moisture in the lower part of the door upholstery,
• loose or unstable window operation during raising and lowering,
• visible cracks, deformations, or perishing of the existing seal.

Replacing a worn-out seal strip with a functional part restores proper sealing, reduces the risk of corrosion inside the door, and improves the cabin's acoustic comfort. This is a practical solution for comprehensive door area servicing, especially after body and paint repairs.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other parts from the same group, such as panels, reinforcements, or additional seals, check the available parts in the Mercedes Doors and Door Panels category.

Technical Support and Market Knowledge of Parts

When selecting used body parts, it is advisable to use reliable sources of information regarding the quality and cost-effectiveness of such solutions. If you are interested in how to effectively utilize the used parts market to reduce service costs while maintaining an appropriate level of safety and durability, read the article Volkswagen Repair for Pennies? Discover How to Save on Original Car Parts.