Window Lifter Motor Mercedes W207 C207 Front Right O/S Drive Unit A2078200442

The Mercedes W207 C207 Front Right Window Regulator Motor is a precision component from the Window Regulators and Motors category, specifically designed for the front right window in W207/C207 body styles. This used, original motor ensures stable operation of the window lifting mechanism, maintaining factory parameters and predictable performance in daily use.

Specifications and technical data

• SKU: A2078200442
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2078200442
• Substitutable numbers: A2078200442, A 207 820 04 42
• Location on the vehicle: Front, Right
• Category: Window Motors & Regulators

Purpose and Fitment for W207/C207 Body Styles

The presented window regulator motor is engineered to work with the front right window in Mercedes E-Class models, specifically the W207 and C207 versions. Its designated placement on the vehicle minimizes selection errors – this part is exclusively for the front passenger side, simplifying repair planning and reducing installation time.

By retaining original mounting geometry and factory operating characteristics, the motor integrates seamlessly with the original window regulator mechanism and the vehicle's electrical system, allowing for the restoration of proper window function without any modifications.

Key Technical and Functional Features

The window regulator motor is responsible for generating the torque necessary for smooth raising and lowering of the passenger door window. As a component within the Window Regulators and Motors group, it works with the comfort control system, providing:

• stable operation throughout the full range of window movement,
• correct response to signals from the door control buttons and the driver's panel,
• appropriate window speed, matching manufacturer standards,
• mechanical compatibility with the factory guide rails and cable mechanism.

The original origin of the component promotes compatibility with the vehicle's electronics, which is particularly important in cars equipped with advanced comfort systems.

Condition, Origin, and Benefits of Using a Used Part

This motor is offered as a used part, representing a sensible compromise between repair cost and maintaining the original manufacturer's specifications. In practice, this means:

• retention of the factory build standard characteristic of the Mercedes brand,
• economical repair of the window lifting system without sacrificing OEM parts,
• reduced risk of fitment issues, common with aftermarket replacements of uncertain origin.

Choosing a used window regulator motor is particularly advantageous in cases of single component failure within an otherwise functional mechanism, when you aim to restore functionality while maintaining consistency with other door components.

Professional Selection and Installation in a Service Environment

To correctly select this motor for a specific vehicle, it is advisable to verify its compatibility with the manufacturer's part numbers and its intended placement on the vehicle. In workshop practice, installation involves:

• removing the door trim panel and disconnecting the electrical wiring,
• unscrewing the damaged motor from the regulator mechanism,
• installing the functional component in the factory location,
• testing the window's proper operation throughout its full range of movement.

This approach allows for the restoration of full system functionality without altering the door's structure, which is important for both user comfort and the longevity of the entire mechanism.

If you are planning comprehensive service for your Mercedes' window system and are also interested in other drive and control components, check out the available parts in the Mercedes Window Regulators and Motors category.

When selecting used electrical and mechanical components, it is advisable to follow proven procedures for assessing technical condition and analyzing common faults in a given model. Practical tips can be found in the article Faulty BMW E90 Motors: Check What Can Ruin Your Budget!, which demonstrates how to approach purchasing parts for premium cars consciously.