Mercedes Benz ML W163 Rear Right Quarter O/S Window Motor Valve A1638201442

Mercedes Benz ML W163 Rear Right Quarter O/S Window Motor Valve is a component from the Window regulators and motors group, designed for operating the rear right window in this model's body. It ensures stable operation of the window lifting and lowering mechanism, which translates into ease of use and proper window closing during daily operation.

Specifications and technical data

• SKU: A1638201442
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1638201442
• Substitutable numbers: A1638201442, A 163 820 14 42, BG
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The actuator is responsible for driving the window mechanism in the rear right part of the body, working in conjunction with the guides and electrical controls. A properly selected component guarantees smooth window movement, without jerking or jamming, which is important for both passenger comfort and cabin sealing.

As a part from the Window regulators and motors group, it is an essential component of the comfort system, influencing:

• efficient opening and closing of the window at the driver's or passenger's request,
• maintaining proper pressure of the window against the seals,
• cooperation with factory window control functions (e.g., central control from the driver's panel).

Compatibility with Mercedes ML W163

The actuator has been designed for the structure of the rear right door in the Mercedes ML W163, ensuring it maintains the correct mounting points and operating geometry. Proper fitment for this model reduces the risk of installation problems and allows for maintaining the factory window travel in the guides.

The component comes from the Mercedes brand range, which helps maintain consistency with other window system components and the vehicle's electrical installation.

Characteristics of the used component

The offered actuator is a used part, which in practice means the possibility of an economical repair of the window system while maintaining the original design. This type of solution is often chosen when servicing older generations of vehicles, where a reasonable balance between cost and functionality is important.

Replacing a faulty actuator with a functional unit allows for restoring:

• stable window operation on the vertical axis,
• proper response to signals from control buttons,
• acoustic comfort thanks to proper window closing.

Benefits of using a dedicated window actuator

Using an actuator intended specifically for the rear right side in the Mercedes ML W163 limits the need for modifications and adjustments, which shortens service time. A well-selected component allows for maintaining the factory operating parameters of the mechanism, thereby reducing the load on other components of the window lifting system.

In practice, this translates into:

• more predictable operation of the window system in the long term,
• lower risk of recurring faults resulting from improper part fitment,
• maintaining vehicle operation comfort at a level close to factory standards.

Mercedes Window regulators and motors – expansion and service

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, guide mechanisms, or lifting motors, check the available parts in the Mercedes Window regulators and motors category.

Technical support and service knowledge

When planning repairs of electrical and mechanical systems in premium class cars, it is worth using reliable sources of knowledge. For comparison with other brands and to understand how important the selection of the right components is, the material describing typical problems with drive units in another popular model may be helpful – you can find it in the article Faulty BMW E90 engines: check what can ruin your budget!.