Mercedes W204 W212 Rear Right O/S Door Window Lifter Motor A2048200642

The MERCEDES W204 W212 Rear Right Window Motor is an original part from the Window Regulators and Motors group, designed to power the rear right window in selected Mercedes C-Class and E-Class models. It ensures stable operation of the window lifting and lowering mechanism, restoring full functionality to the factory comfort system.

Specifications and technical data

• SKU: A2048200642-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048200642
• Substitutable numbers: A2048200642, A 204 820 06 42
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Vehicle Application and Function

The window motor is installed in the rear right door area, where it is responsible for driving the window lifting mechanism. As a part from the Window Regulators and Motors category, it works with the factory electrical system and comfort control, enabling smooth opening and closing of the window from the door buttons or the driver's panel.

Vehicle placement: rear right side, which is important when selecting parts relative to the other doors and when planning repairs for a specific body area.

Benefits of Using an Original Window Motor

Using a dedicated window motor in a Mercedes W204 / W212 maintains consistency with the vehicle's factory design. Proper fit for mounting points and the electrical harness reduces installation time and the risk of window operation issues.

• Reliable cooperation with the factory window control and central locking system,
• Maintenance of proper window speed and smoothness of operation,
• Reduced operating noise compared to random aftermarket replacements,
• Easier diagnostics for future electrical inspections.

This makes the motor a practical solution for repairs after mechanism failure, drive seizure, or electrical damage.

Installation and Operational Characteristics

The component is designed for the rear right part of the body, meaning the housing is correctly oriented relative to the window guides and fits the factory mounting system. In practice, this allows for installation without modifying the door structure.

When replacing, it is worth paying attention to:

• The condition of the window lifting mechanism (guides, cables, sliders),
• Cleanliness of electrical connectors and absence of corrosion in the harness,
• Proper positioning of the window in the guides after motor installation.

This approach allows for the restoration of correct operation of the entire window lifting system in the specific corner of the vehicle with a single service operation.

Condition and Practical Application

The window motor is offered as a used part, which, for original Mercedes components, allows for a reasonable cost while maintaining factory specifications. This is a particularly beneficial solution for maintenance repairs on vehicles several years old and older, where both functionality and service economy are important.

Before installation, a standard check of the door's electrical system and the mechanical condition of the guides is recommended to fully utilize the potential of a functional motor and avoid repeated disassemblies.

Related Categories and Technical Knowledge

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

To better plan your car service budget and understand how failures of key components affect maintenance costs, it is worth reading the guide on problematic BMW 3 Series E90 engines: Troublesome BMW E90 Engines: Find Out What Can Ruin Your Budget!.

When planning more extensive service work, especially before the winter season, a practical guide on which used car parts are worth checking and possibly replacing can also be helpful: Winter Essentials: Which Used Car Parts Should You Check and Replace Before the Frost?.