Mercedes ML W163 Rear Right Door Window Regulator Lifter A1637301046

Mercedes ML W163 Rear Right Door Window Regulator Lifter is an original component from the Window regulators and motors group, designed for the rear right window in the Mercedes W163 class body. It enables stable, smooth, and safe operation of the window lifting and lowering mechanism, restoring full functionality to the rear passenger door. This is a practical service solution for users who expect a proven design matched to the factory system.

Specifications and technical data

• SKU: A1637301046
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1637301046
• Substitutable numbers: A1637301046, A 163 730 10 46
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and fitment for the W163 body

The regulator has been designed specifically for installation in the rear right part of the W163 series body, ensuring proper window guidance geometry and compatibility with the factory door mounts. The vehicle placement in the Rear, Right area ensures compliance with the original guide rail layout, mounting points, and motor position relative to the door panel.

Such fitment reduces the need for installation modifications and allows for service at a standard close to factory assembly, which is particularly important for maintaining tightness, proper window closing, and correct interaction with seals.

Technical characteristics of the mechanism

The component belongs to the Window regulators and motors group, meaning it is responsible for transferring drive from the motor to the window guide mechanism and keeping it in the set position. The construction is prepared to work with the vehicle's factory electrical system, maintaining the original operating direction, range of motion, and limit points.

In practice, this translates into:

• stable vertical window guidance without excessive play,
• even lifting and lowering throughout the full range of operation,
• correct cooperation with control switches in the door or console,
• maintaining proper window pressure against the seals in the closed position.

Service application in Mercedes vehicles

The window regulator designed for the rear right side in the Mercedes W163 works well as a solution when replacing a damaged or worn mechanism that causes jamming, dropping, or lack of window response to button commands. Thanks to the preservation of the original design concept, this is a part that allows you to restore factory window operation comfort and improve the daily functionality of the rear passenger area.

The product comes from the Mercedes brand, which for many users means predictable performance and consistency with other door system elements, such as the lock, seals, or upholstery.

Condition and installation aspects

The item is offered in used condition, making it an attractive cost alternative to new components while maintaining the original design specification. This type of solution is often chosen for vehicles in intensive use, where a reasonable balance between repair cost and maintaining proper functionality is important.

During installation, it is recommended to check the guides, mounting points, and the condition of the window seals to fully utilize the mechanism's capabilities and avoid re-disassembly in the short term. A correctly installed regulator reduces the risk of motor overload, excessive vibration, and improper window closing.

Complementary elements and service knowledge

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

When planning broader service work on premium class cars, it is also worth expanding your knowledge about typical operational problems of drive units and accompanying systems. The guide material BMW E90 problematic engines: check what can ruin your budget! may be helpful, showing how proper diagnostics and part selection affect the total cost of vehicle maintenance.

For users interested in a broader technical context of premium brand vehicles, including Mercedes, a valuable supplement may also be the comparative article xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi and VW, discussing the construction and servicing of advanced all-wheel-drive systems.