Mercedes W220 Front Door Window Lifter Regulator Left N/S Side A2207200446

Mercedes W220 Front Door Window Lifter Regulator Left N/S Side is a factory component from the Window regulators and motors group, designed for the front left door of Mercedes S-Class W220 generation vehicles. This solution is engineered for stable, consistent operation of the window mechanism and to maintain the correct geometry of the window guidance within the door.

Specifications and technical data

• SKU: A2207200346
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2207200346
• Substitutable numbers: A2207200346, A 220 720 03 46
• Location on the vehicle: Front, Left
• Part type: Regulator & Motor Assembly
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented window regulator is responsible for precise raising and lowering of the window in the front left door, ensuring smooth movement throughout its entire range of operation. The vehicle placement specified as Front - left allows for unambiguous matching of the component to the specific mounting position, which minimizes the risk of errors during part selection. As an original Mercedes component, the regulator is designed for the factory mounting points in the door, ensuring it maintains proper window guidance, limits lateral play, and reduces the load on the mechanism and seals.

Construction and technical fitment

The regulator belongs to the Window regulators and motors group, meaning it works with the factory window control system in the driver's door. The design is intended for integration with the vehicle's electrical system and factory window guides and mounts, without the need for body modifications. Proper fitment is ensured by, among other things, the correct mounting points and the geometry of the mechanism, which was developed specifically for the W220 body. Thanks to this, after installation, it is possible to achieve stable window operation without jamming, which is important for both user comfort and door sealing.

Identification parameters and part selection

The component has assigned factory markings, including the OEM part number and available interchangeable numbers, which facilitates clear identification when selecting parts by VIN or manufacturer markings. Additionally, the product is marked in the warehouse system via SKU, which speeds up order processing and minimizes the risk of errors. Proper fitment to a specific vehicle should be confirmed based on the VIN or by comparing the previously used regulator, especially in the case of cars that have undergone modifications or body repairs.

Condition, application, and benefits of installation

The regulator is offered as a used part, which allows for a reasonable repair cost while maintaining the original design intended by the vehicle manufacturer. In practice, this means the ability to restore the efficiency of the window mechanism without having to resort to replacements of uncertain fitment. Replacing a faulty regulator with an original component of this type allows you to:

• restore the proper operation of the electric window control on the driver's side,
• reduce the risk of the window jamming in the guides,
• maintain proper window adhesion to the seals, which affects interior acoustics and protection against moisture.

Mercedes window regulators and motors – expansion and service

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as window lifting mechanisms for other doors, control drives, or complete guide assemblies, check the available parts in the Mercedes window regulators and motors category.

Technical support and knowledge about used parts

When selecting consumables and body components, it is worth using reliable sources of information regarding the quality and cost-effectiveness of purchasing second-hand parts. You can read more about how to consciously choose components from dismantling in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which organizes the most important issues related to selecting parts by OEM markings and analyzing repair costs.