Mercedes R172 Window Lifter Motor Gear Right O/S Regulator A1729062400

The Mercedes R172 Right Window Regulator is an original part from the Window Regulators and Motors group, designed for the right side of the vehicle body. It ensures stable operation of the window lifting mechanism, which translates to user comfort and proper window sealing during daily use.

Specifications and technical data

• SKU: A1729062400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1729062400
• Substitutable numbers: A1729062400, A 172 906 24 00
• Location on the vehicle: Right
• Category: Window Motors & Regulators

Purpose and Function of the Window Regulator

The Mercedes R172 Right Window Regulator is responsible for the precise guidance and lifting of the window in the vehicle's right door. As part of the window control system, it works in conjunction with the motor and electrical system, enabling smooth opening and closing of the window from the cabin switches.

Its placement on the right side of the vehicle guarantees a perfect fit for the specific door construction, correct mounting points, and appropriate guide geometry. This ensures the mechanism operates under the correct load, reducing the risk of jamming and excessive wear.

Benefits of Using an Original Part

Using a regulator from the Window Regulators and Motors group, specifically designed for the particular model, allows for the preservation of the system's original operating parameters. The correct window movement characteristics contribute to:

• proper window sealing against the weatherstrips,
• even distribution of forces along the entire window edge,
• reduced load on the control motor,
• stable interaction with factory switches and control modules.

This provides the driver with predictable mechanism operation, without the need for modifications to the electrical system or door structure.

Installation and Operational Characteristics

The regulator is designed for installation in place of the original part, facilitating service work and reducing replacement time. Its construction, intended for the right side of the vehicle, allows for the use of existing mounting points and original window guides.

As a used part, it retains the functionality necessary for continued operation, making it a sensible choice for vehicle repairs where cost-effectiveness is a priority. Proper fit to the bodywork minimizes the need for additional adjustments after installation.

Selecting Parts by Manufacturer Markings

When selecting a window regulator for a specific vehicle, it is advisable to use the manufacturer's markings and information about the vehicle's placement. This helps avoid compatibility issues and ensures compliance with the original window system specifications.

If you wish to learn more about the cost-effectiveness of using aftermarket parts and the principles of selecting components by manufacturer markings, the expert guide Why Buying Used Gearboxes and Engines is Worthwhile – Facts Instead of Myths will be useful. It discusses, among other things, practical procedures for identifying parts by OEM numbers.

Expanding the Window Control System in a Mercedes

If you are planning a comprehensive repair or upgrade of the door and window area in your Mercedes and require other parts from the same group, such as lifting mechanisms, electric drives, or control modules, check the available parts in the Mercedes Window Regulators and Motors category.

Summary

The Mercedes R172 Right Window Regulator is a functional solution for users seeking a perfectly fitting part for the right-side window lifting system of their vehicle. Its appropriate design, compatibility with the factory control system, and the ability to be installed in place of the original mechanism make it a practical option for repairs and restoring the functionality of the window system in Mercedes vehicles.