Mercedes-Benz W203 SportCoupe Front Right Door O/S Window Electric Lifter Motor

Mercedes-Benz W203 SportCoupe Front Right Door O/S Window Electric Lifter Motor is an original component from the Window regulators and motors group, designed for precise operation in the passenger door. It ensures stable window guidance and reliable control of its movement, which translates into user comfort and the proper functioning of the vehicle's electrical system.

Specifications and technical data

• SKU: A2037201246
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037201246
• Substitutable numbers: A2037201246, A 203 720 12 46, BG
• Location on the vehicle: Front, Right
• Offset (ET):
• Category: Window Motors & Regulators

Application and function in the Mercedes-Benz W203 SportCoupe

This electric window lifter has been designed specifically for the front right door of the SportCoupe version, ensuring it maintains factory mounting geometry and proper cooperation with guides and seals. It is responsible for the smooth raising and lowering of the window, and the integrated electric motor works with the factory door controls and the vehicle's comfort system.

Precise fitment to the specific body model reduces the risk of improper window closing, excessive play, or mechanism strain. This is particularly important in cars with a specific door frame profile, where the accuracy of the mechanism's operation affects the tightness and acoustics of the interior.

Construction and performance parameters

The lifter combines a window guidance mechanism and an electric drive in one unit, which simplifies installation and maintenance. The motor used is adapted for multiple work cycles under typical operating conditions, and the gear system provides sufficient torque for smooth window movement without jerking.

Its placement in the front right door zone allows for direct cooperation with the factory window control switch and the comfort opening and closing system. This ensures the consistency of the entire electric window system in the vehicle, and the response to driver commands remains predictable and repeatable.

Benefits of using an original component

Choosing an original lifter with a motor for the Mercedes-Benz W203 SportCoupe allows you to maintain compliance with the manufacturer's factory standards. Proper fitment to the door, correct operating characteristics, and compatibility with the electrical system reduce the risk of overloads, window jams, or comfort module errors.

For workshops and users, this means:

• easier installation without the need for mounting modifications,
• consistent operation with other windows in the vehicle,
• maintenance of the correct end position of the window relative to the seals.

Condition and suitability for service repairs

The item comes from dismantling and is offered as a used component, which represents a reasonable compromise between repair costs and maintaining the original manufacturer's specifications. This type of solution is particularly attractive for comprehensive service work on older W203 models, where both functionality and operating economy are important.

Mercedes window regulators and motors – expansion and door zone service

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as window lifting mechanisms, electric drives, or complete guide assemblies, 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 considering the specifics of individual models and typical critical points. A good supplement to knowledge about operation and potential service costs can be an article devoted to power units in another popular mid-size model – BMW E90 faulty engines: check what can ruin your budget!. It allows you to better understand how proper part selection and prevention affect long-term vehicle maintenance costs.