Mercedes ML W166 Window Lifter Motor Front Right O/S Regulator Drive A1669060301

Mercedes ML W166 Window Lifter Motor Front Right O/S Regulator Drive is an original component from the Window regulators and motors group, designed for precise operation of the front passenger-side window. This solution allows you to restore the full functionality of the electric window lift, maintaining the factory standards of comfort and safety in your Mercedes.

Specifications and technical data

• SKU: A1669060301
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1669060301
• Substitutable numbers: A1669060301, A 166 906 03 01, 0130822755, 0 130 822 755
• Location on the vehicle: Front, Right
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The window lifter motor is mounted in the front right door and is responsible for the smooth, controlled movement of the window up and down. As a component of the window control system, it works with the vehicle's electrical installation and the guide mechanism, ensuring:

• stable window operation during frequent use,
• appropriate drive force matched to the door construction,
• proper cooperation with factory control buttons in the cabin.

Compatibility and fitment

The presented motor is dedicated to Mercedes ML W166 series models, which means its geometry, mounting points, and electrical connectors are adapted to the factory door assembly. As a result, installation is straightforward, without the need for modifications to the wiring or interference with the door panel structure.

The component belongs to the Window regulators and motors group, therefore it is designed to work with the original window lifter mechanism, maintaining consistency with other system components.

Condition and benefits of choosing a used component

The motor is offered as a used part, which allows for a significant reduction in repair costs while maintaining compliance with Mercedes factory specifications. In practice, this means:

• an attractive price-to-quality ratio compared to new replacements,
• preservation of the original window operating characteristics,
• the possibility of an economical repair of the window system while maintaining manufacturer standards.

For many users, choosing a verified, used part is a reasonable compromise between cost and durability, especially in the case of electrical components with a clearly defined function.

Installation and technical aspects

The front right window lifter motor is designed for a specific vehicle location, which facilitates the mechanic's work and reduces the risk of installation errors. When replacing, it is recommended to:

• check the mechanical condition of the lifter guides and cables,
• verify the electrical installation for stable power supply,
• perform a window operation test after installation, checking for smooth movement.

This approach allows you to restore the full functionality of the entire passenger-side window lifting system in a single service operation.

Repair expansion and selection of other components

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 window drives, control modules, or complete lifter mechanisms, check the available parts in the Mercedes window regulators and motors category.

When deciding to choose a used electrical component, it is worth knowing the broader context of the cost-effectiveness of such repairs – practical cost comparisons, discussion of myths, and principles of selection by manufacturer numbers can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths, which well illustrates the logic of using aftermarket parts in other vehicle systems as well.