Mercedes CLS C219 Window Lifter Rear Door Left N/S Regulator Motor A2197300946

Mercedes CLS C219 Window Lifter Rear Door Left N/S Regulator Motor is an original component from the Window regulators and motors group, designed for the rear left window of the CLS C219 body. It ensures stable window operation and proper integration with the factory comfort control system, which translates into trouble-free vehicle operation.

Specifications and technical data

• SKU: A2197300946
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2197300946
• Substitutable numbers: A2197300946, A 219 730 09 46
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The rear left window lifter is responsible for the precise raising and lowering of the window in the rear passenger door on the driver's side. The component works with the factory electrical system, ensuring:

• smooth window movement throughout the full range of operation,
• proper guidance within the door tracks,
• correct response to signals from the window control buttons.

Thanks to the preservation of the original geometry and mounting points, installation in the rear left door is predictable and consistent with the factory design specifications.

Benefits of using an original window lifter

Using a window lifter dedicated to the CLS C219 allows you to maintain the consistency of the window system with other comfort systems in the car. Key advantages include:

• factory fit for the rear left door – no need for modifications to mounts or wiring harnesses,
• preservation of the correct window operating geometry, which reduces the risk of jamming and excessive stress,
• compatibility with factory window controls and comfort functions.

The component from the Window regulators and motors group is essential for the daily functionality of the vehicle, affecting passenger comfort and the sealing of the side of the body.

Characteristics and installation

The window lifter is designed for installation in the rear left part of the body, within the passenger door. The design has been engineered for the specific CLS C219 body, which facilitates:

• correct alignment of the mechanism relative to the window,
• maintaining proper window pressure against the seals,
• reduction of noise and vibrations during operation.

This solution allows for the efficient replacement of a damaged mechanism without interfering with the door structure, while maintaining the original routing of wiring harnesses and mounting points.

Condition and origin

The offered window lifter comes from a Mercedes vehicle and is a used part, which provides a favorable compromise between repair costs and maintaining the manufacturer's original specifications. For many CLS C219 users, this is a practical solution that allows for restoring full functionality of the rear window while maintaining consistency with factory equipment.

To better care for the operation of dismantled parts, it is worth checking out the guide describing good practices for the use and maintenance of used components – you can find them in the article How to extend the life of used car parts?

Related components and window system development

If you are planning a comprehensive repair or upgrade of the side window area in your Mercedes and need other elements from the same group, such as lifting mechanisms, electric drives, or additional window guide components, check the available parts in the Mercedes window regulators and motors category.

When planning broader service work on the car, it is also worth paying attention to the specific weak points of individual models – a good point of reference can be the analysis of typical engine failures, as in the article Emergency BMW E90 engines: check what can ruin your budget!, which shows how a conscious approach to service allows for limiting unforeseen costs in other brands as well.