Mercedes A238 Rear Right O/S Window Regulator Lifter Panel Motor A2056700403

Mercedes A238 Rear Right O/S Window Regulator Lifter Panel Motor is a component from the Window regulators and motors group, designed for operating the rear right window in Mercedes vehicles. It ensures stable operation of the window lifting and lowering mechanism, which translates into user convenience and proper window sealing during daily use.

Specifications and technical data

• SKU: A2056700403-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2056700403
• Substitutable numbers: A2056700403, A 205 670 04 03
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The window regulator with motor is responsible for precise control of the rear right window movement, working in conjunction with the electrical system and control buttons in the door or driver's panel. Its placement in the rear right door area allows for direct power transmission to the guide mechanism, ensuring smooth opening and closing of the window.

The component is dedicated for installation in Mercedes vehicles, which ensures the correct geometry of the mounts and compatibility with the factory window control system. This allows for the replacement of a damaged component without the need for installation modifications or interference with the door structure.

Construction and technical characteristics

The window regulator motor operates within the vehicle's electrical system, generating torque transmitted to the lifting mechanism. The design intended for operation in the rear right door takes into account the limited installation space and the necessity to work with factory window guides.

Key features of this type of component include:

• fitment for the specific rear right door layout,
• designed for compatibility with factory window controls,
• electric drive ensuring repeatable window movement across the full range.

By maintaining the original design concept, the regulator with motor allows for maintaining proper window positioning in the guides, which reduces the risk of jamming and leaks.

Benefits of use in a Mercedes

Using a dedicated window regulator in the rear right part of the body allows for restoring proper window operation after a mechanical or electrical failure. Proper fitment for the Mercedes brand helps maintain factory operating parameters, including lifting speed and response to signals from control buttons.

Replacing a worn or damaged element with the correct component from the same design group reduces the risk of electrical system overload and improper window closing, which is important for both driving comfort and protecting the interior from moisture.

Selecting components from the Window regulators and motors group

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 control motors, check the available parts in the Mercedes Window regulators and motors category.

Technical knowledge and operation

When working with electrical systems and drives in modern cars, it is worth knowing the typical weak points of individual models. For a comparison of engine failure characteristics and better service budget planning, you can read an article describing problematic engines in a popular model from a competing brand: Faulty BMW E90 engines – a practical guide to costly failures.