Mercedes-Benz C W205 Rear Right O/S Window Regulator Lifter Motor Panel

The Right Rear Window Regulator Panel with Motor for Mercedes-Benz C W205 is an original component of the window lifting system, designed for installation on the rear right side of the vehicle body. It ensures precise window guidance and stable drive operation, contributing to ease of use and proper sealing of the cabin's side area. Thanks to its factory design, the component is tailored to the specifics of the C W205 model, facilitating installation and subsequent operation.

Specifications and technical data

• SKU: A2057308004
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057308004
• Substitutable numbers: A2057308004, A 205 730 80 04
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and Function in the Vehicle

The described window regulator panel is dedicated to the rear right part of the Mercedes C-Class W205 generation body. It is responsible for transferring power from the motor to the window guiding mechanism and for securely mounting the entire assembly within the door structure. Precise cooperation between the motor and the guides allows for smooth opening and closing of the window, reducing the risk of jamming, excessive play, or improper closing.

This component is particularly important in the context of:

• maintaining the correct geometry of window movement within the rear door,
• ensuring adequate sealing of the passenger side area,
• convenient operation of the electric window control from the driver's and passenger's sides.

Panel Construction and Electrical System Integration

The right rear window regulator panel in the Mercedes C W205 serves as an integrated mounting base for the lifting mechanism and the motor. The placement of mounting points is designed for specific doors, allowing for stable seating of the entire assembly and reduction of vibrations during driving. The motor used cooperates with the vehicle's electrical system and factory comfort controllers, thus preserving the functionality of the original window control buttons.

Proper adaptation to the rear right side of the vehicle minimizes the need for modifications during installation and allows for the preservation of the window's original operating characteristics, including movement speed and response to commands from the control panel.

Benefits of Using an Original Window Regulator Panel

Using the original right rear window regulator panel in the Mercedes C W205 offers a range of practical benefits. Among the most important are:

• Factory fit for the right rear door – no issues with window guidance geometry or positioning relative to seals.
• Seamless integration with the vehicle's electrical system – the motor is designed to work with Mercedes' installation and controllers.
• Reduced risk of noise, vibrations, and leaks resulting from ill-fitting aftermarket parts.
• The ability to restore full window functionality after a mechanism or drive failure.

For the user, this means not only convenience in daily operation but also maintaining proper acoustic and thermal comfort inside the vehicle.

Application in Service and Repairs of the Rear Right Door Area

The right rear window regulator panel with motor is suitable for both typical replacement of a damaged mechanism and more extensive service work within the door area. It can be used in situations where there are problems with:

• no window response to button commands,
• uneven or jerky window movement,
• the window dropping in the lower position or not closing fully in the upper extreme position.

Thanks to its design intended for a specific model and vehicle side, installation proceeds in an organized manner, and after proper mounting and electrical connection, full functionality of the right rear window can be restored.

Mercedes Window Regulators and Motors – Window System Expansion and Service

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other parts from the same group, such as additional panels, complete mechanisms, or window drives, check the available parts in the category Mercedes Window Regulators and Motors.

Technical Support and Operational Knowledge

When working on the electrical system and moving parts in the doors, it is advisable to pay attention to the overall condition of the installation and the state of other vehicle components. For drivers interested in a broader context of premium car operation and potential repair costs for powertrains, an article on our blog may be helpful: BMW E90 Engine Failures: Find Out What Can Ruin Your Budget!, which shows the importance of service prophylaxis and a conscious approach to keeping a car in good condition.