Mercedes W169 Window Lifter Rear Right Door O/S Electric Window Regulator

Mercedes W169 Window Lifter Rear Right Door O/S Electric Window Regulator is an original component from the Window regulators and motors group, designed to operate the window in the rear right section of the vehicle body. It ensures stable window guidance and proper cooperation with the factory control mechanism, which translates into user comfort and predictable system operation.

Specifications and technical data

• SKU: A1697303479-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1697303479
• Substitutable numbers: A1697303479, A 169 730 34 79, A1697301479, A 169 730 14 79, BG
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented component is dedicated to the rear right section of the body in W169 series models, where it is responsible for the precise raising and lowering of the window. Thanks to the proper fit to the door structure, the correct geometry of the window guidance is maintained, which reduces the risk of jamming, excessive play, or unwanted vibrations while driving.

The placement on the vehicle in the rear right body zone means that this element is important for both passenger comfort and the tightness and acoustics of the interior. A functional window regulator facilitates daily operation while supporting the proper functioning of the electrical systems responsible for window control.

Technical characteristics and fitment

The window regulator belongs to the Window regulators and motors group, which means it has been designed to work with the factory window control system in the door. The design intended for a specific body model allows for installation in existing mounting points without the need for modifications or adaptations.

The element has an assigned OEM part number and associated interchangeable numbers, which facilitates the verification of compatibility with a specific equipment version. This allows for the precise selection of the component for the vehicle, minimizing the risk of installation problems and incompatibility with the electrical system.

Condition, origin, and advantages of using a used part

The offered window regulator is a used component, which represents a reasonable compromise between the cost of repair and maintaining the manufacturer's original specification. Choosing such a solution allows for maintaining the structural integrity of the door and preserving operating parameters close to factory standards.

In practice, the use of an original, used component often translates into:

• better fit to the door structure than in the case of many aftermarket replacements,
• preservation of the mounting points and operating ranges intended by the manufacturer,
• reduction of the risk of improper interaction with the vehicle's electrical system.

For drivers who want to consciously manage service costs, a material discussing the impact of original used components on the vehicle's resale value may be useful – more information can be found in the article Original used parts and car resale price – how not to lose money?.

Practical installation and maintenance tips

When replacing the rear right window regulator in a Mercedes W169, it is worth paying attention to the correct routing of the electrical harness and the proper alignment of the mechanism relative to the window. Careful installation reduces the load on the component and affects the smoothness of the window movement throughout its entire range.

To ensure long-term and stable operation of the system, it is recommended to:

• check the condition of the window guides and seals before installation,
• verify the correct operation of the window control after reassembling the door panel,
• avoid excessive loading of the window (e.g., pressing down while the mechanism is operating).

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

Technical support and additional knowledge

The selection of the right components and a conscious approach to service are crucial for the vehicle's operating costs. In the case of premium brands such as Mercedes or BMW, knowledge of typical faults and critical components allows for better repair planning. In this context, a guide regarding power units in another popular premium model may be helpful – read the article Faulty BMW E90 engines: check what can ruin your budget! to better understand how the proper selection of parts affects the long-term costs of using a car.