Window Lifter Motor Mercedes W204 W212 Rear Left Door N/S Lifter A2048200542

MERCEDES C E W204 W112 Rear Left Window Motor is a precise component from the Window Regulators and Motors category, designed for the rear left window in Mercedes vehicles. It enables stable, smooth operation of the window lifting and lowering mechanism, ensuring user comfort and proper functionality of the electrical system. Thanks to its factory-matched fit for a specific vehicle location, it is a practical solution for repairing or replacing a damaged drive.

Specifications and technical data

• SKU: A2048200542-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048200542
• Substitutable numbers: A2048200542, A 204 820 05 42, 0130822505, 0 130 822 505
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and Function of the Window Motor

The presented motor is responsible for driving the window lifting mechanism in the rear left part of the body. It is an electrical component that works with the vehicle's electrical system and the control switches in the door or on the driver's panel. A correctly selected and installed motor guarantees:

• consistent operation with the factory window guide mechanism,
• appropriate speed for the window's upward and downward movement,
• stable operation under typical operating conditions,
• maintenance of comfort for the rear seat passenger.

Compatibility and Fit for Mercedes

The motor has been designed for use in Mercedes C-Class and E-Class W204 / W212 models, with specific consideration for the Rear, Left vehicle location. This means that the construction, mounting points, and electrical connector are adapted to the manufacturer's factory solutions, which facilitates installation and reduces the risk of compatibility issues.

Thanks to this, the component can be used for both standard repairs after a failure and for replacing a worn-out drive to restore full functionality of the electric window control.

Characteristics of the Used Component

The offered window motor is a used part, which in practice means it comes from a vehicle disassembly and has already been in use. Such components are often chosen as an economical solution, allowing for reduced repair costs while maintaining original construction and fit for the specific car model.

Before installation, it is recommended to perform a standard check of the connectors, mounting sockets, and correct operation in conjunction with the vehicle's electrical system. A correctly selected and functional motor restores full window control functionality without the need for intervention in other door components.

Benefits of Using an Original Window Motor

Using a component that is consistent with Mercedes' factory solutions offers a number of practical advantages:

• Proper Structural Fit – no need for modifications to mountings or the electrical system.
• Consistent Operation with the Window Control System – compatibility with factory switches and comfort modules.
• Economical Repair – a used part allows for reduced costs compared to a new part, while maintaining proper functionality.
• Possibility of using the existing window lifting mechanism if it is in good technical condition.

Mercedes Window Regulators and Motors – Selecting the Right Components

When selecting a window motor for a Mercedes, it is crucial to pay attention to the installation side, body type, and compatibility with the window lifting mechanism used in the car. If in doubt, it is worth comparing the construction of your current component with the offered product or seeking assistance from a specialist in vehicle electrics. If you are also interested in other components related to window drives and want to maintain consistency of solutions used in your car, check the available parts in the Mercedes Window Regulators and Motors category.

Technical Knowledge and Operation

The window motor operates in close proximity to the lifting mechanism and door seals, so its proper operation also involves maintaining the condition of the guides and limiting excessive resistance to window movement. Regular checks of window operation, avoiding forcing movement when seals are frozen, and prompt reaction to the first signs of mechanism slowdown can extend the drive's lifespan.

For those interested in a broader context of repair costs and potential failures in popular models, an article describing problematic drive units in one of the frequently chosen premium cars may be useful – you can find it here: BMW E90 Faulty Engines: Find Out What Can Ruin Your Budget!.

If you want to better understand why choosing used components, such as a window motor, can be beneficial both financially and environmentally, it is worth reading the guide on car part recycling: Eco-Friendly Driving: Discover the Benefits of Used Car Parts.