Mercedes W164 X164 Window Lifter Rear Left Door N/S Window Regulator Mount

Mercedes W164 X164 Window Lifter Rear Left Door N/S Window Regulator Mount is an original component from the Window regulators and motors group, designed for the rear left section of the vehicle body. It ensures the proper operation of the window lifting mechanism and stable mounting of the door panel, which translates into ease of use and correct fitment of the upholstery.

Specifications and technical data

• SKU: A1647303179
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647303179
• Substitutable numbers: A1647303179, A 164 730 31 79
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The window lifter with door panel mount is dedicated for installation in the rear left door of Mercedes W164 and X164 series vehicles. It is responsible for the smooth guidance of the window in the tracks and for a stable connection to the side panel, which reduces unwanted vibrations and noise while driving.

This element works with the window control system in the door, enabling efficient opening and closing of the window via the switch in the cabin. A correctly selected and installed lifter minimizes the risk of jamming, uneven window movement, or tilting.

Benefits of using an original lifter

Using an original solution from the Window regulators and motors group allows you to maintain the factory operating parameters of the mechanism. The design is matched to the door geometry and factory mounting points, which facilitates installation and eliminates the need for additional modifications.

The main advantages of this solution include:

• proper fitment for the rear left side of the vehicle,
• compatibility with the factory window control system,
• maintaining the correct position and support of the door panel,
• reduction of play and unwanted sounds during window operation.

Installation characteristics

The lifter is prepared for installation in place of the factory mechanism, using the original mounting points in the door. Thanks to this, service work can be carried out in an orderly manner, without interfering with the structure of the door skin or upholstery.

The placement on the vehicle in the rear left part of the body facilitates clear selection of the element during repair or replacement after mechanical damage, operational wear, or a collision.

Condition and practical application

The offered element is in used condition, which allows for an economical repair while maintaining the manufacturer's original design. This solution is particularly beneficial for comprehensive body and mechanical work within the rear door area, when it is necessary to replace several components at the same time.

If you are planning a comprehensive repair or upgrade of the door and window area in your Mercedes and need other elements from the same group, such as guides, lifting mechanisms, or electric drives, check the available parts in the Mercedes Window regulators and motors category.

Additional technical support

When selecting elements according to manufacturer markings, it is worth using professional identification procedures based on OEM numbers and vehicle data. The method of such selection, as well as a practical approach to purchasing components from the secondary market, is discussed in detail in the guide: Why it is worth buying used gearboxes and engines – facts instead of myths. Although it mainly concerns powertrains, the principles of verification and comparison of parts described there can also be successfully applied when choosing body equipment elements.