Mercedes ML W164 Window Lifter Rear Left Door N/S Window Regulator Mount

Mercedes ML W164 Window Lifter Rear Left Door N/S Window Regulator Mount is a precision component of the window lifting system, designed for the rear left side of the vehicle body. As a part of the Window Regulators & Motors group, it ensures stable window guidance and proper interaction with the window regulator mechanism. Using a genuine pre-owned component allows for a technically sound repair without the need for costly replacement of the entire mechanism.

Specifications and technical data

• SKU: A1647303079-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647303079
• Substitutable numbers: A1647303079, A 164 730 30 79
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and function in the window lifting system

The window regulator mount in the Mercedes W164 model is responsible for the stable connection of the mechanism to the door structure on the rear left side. A correctly selected component guarantees:

• smooth window movement within the guides,
• proper transfer of forces from the regulator to the window,
• reduction of play and unwanted vibrations during system operation,
• maintenance of the correct window closing geometry.

Its placement in the rear left area of the body makes it a component dedicated to a specific side of the vehicle, which minimizes the risk of installation issues.

Benefits of using an original mount

Choosing an original window regulator mount for a Mercedes translates into a number of practical advantages. The component has been designed for a specific door structure, which ensures that it:

• provides precise fitment to factory mounting points,
• maintains the correct position of the window relative to the seals and door frame,
• reduces the risk of jamming, skipping, or misalignment of the window,
• allows for the preservation of the factory operating standards of the lifting mechanism.

A used, fully functional original component is a reasonable compromise between repair costs and maintaining performance close to factory specifications.

Part selection by numbers and vehicle compatibility

To ensure that the mount will work correctly with the mechanism in your Mercedes, it is worth verifying compatibility using the OEM number or interchangeable numbers, as well as vehicle data. Precise matching is particularly important for components such as regulator mounts, where structural differences between body versions or model years can affect installation.

If you would like to learn more about the safe selection of used components and procedures for matching by part numbers, our expert guide will be helpful: Why it is worth buying used gearboxes and engines – facts instead of myths. The principles of verification and working with reference numbers contained therein can also be successfully applied when selecting window system components.

Mercedes Window Regulators & Motors – expansion and service of the window zone

The window lifting system in a Mercedes consists not only of the mount itself but also of guides, cables, motors, and other mechanism elements. If you are planning a comprehensive repair or upgrade of the door and window zone in your Mercedes and need other parts from the same group, such as window regulator mechanisms, electric drives, or additional guide brackets, check out the available parts in the Mercedes Window Regulators & Motors category.

Summary of application in the Mercedes W164

Mercedes ML W164 Window Lifter Rear Left Door N/S Window Regulator Mount is a practical solution for users who want to restore the proper operation of the rear window on the driver's side without interfering with the entire door structure. Its dedicated placement on the vehicle and its classification in the Window Regulators & Motors group make this component a technically sound choice for window system repairs in this model. By using an original mount, you can effectively reduce problems with closing, noise while driving, and uneven operation of the window lifting mechanism.