Mercedes CLS W218 Window Lifter Rear Right O/S Window Regulator A2187300479

Mercedes CLS W218 Window Lifter Rear Right O/S Window Regulator is a component from the Window regulators and motors group, designed for the rear right side of the vehicle body. It ensures proper guidance and stable operation of the window, which translates into comfort of use and proper closing of the window in your Mercedes.

Specifications and technical data

• SKU: A2187300479-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2187300479
• Substitutable numbers: A2187300479, A 218 730 04 79, 928983 102, 928983102
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The window lifter mounted in the rear right door is responsible for smooth raising and lowering of the window, working in conjunction with the factory control mechanism in the Mercedes CLS W218. As a door insert, this component is structurally matched to the rear part of the body, which facilitates installation and maintains the original geometry of the guides.

Thanks to the precise fit to the specific mounting location in the vehicle, the system operates stably, reducing the risk of jamming, window misalignment, or excessive play in the mechanism.

Benefits of using an original Mercedes component

The lifter comes from the Mercedes range, which means maintaining factory operating parameters and compatibility with the electrical system and door structure. The original door insert ensures:

• consistency with the factory window control system,
• proper window guidance throughout the entire range of motion,
• fit to the mounts and mounting points in the door,
• preservation of the operating characteristics intended by the manufacturer.

As an element from the Window regulators and motors category, this lifter allows you to restore full functionality to the rear right window without the need for modifications to the installation or door structure.

Vehicle placement and installation aspects

Precise determination of the placement on the vehicle – rear right door – facilitates the selection of the correct component and limits the risk of error when ordering. The mechanism is designed to work in this specific zone of the body, which affects:

• proper fit with the door frame,
• correct positioning of the window relative to the seals,
• stability of operation during repeated opening and closing cycles.

This solution is particularly important in Mercedes CLS class vehicles, where attention to acoustic comfort and body tightness is of great importance to the user.

Product characteristics and practical application

The presented window lifter is a used component that allows for an economical repair of the window lifting system while maintaining the original manufacturer's specification. In practice, this means the ability to restore the efficiency of the rear right window in situations such as:

• mechanical damage to the existing lifter,
• wear of guides or cables resulting in window jamming,
• improper window operation after previous repairs.

Using an original door insert helps avoid problems typical of replacements with imprecise fit, and thus reduces the risk of repeated service interventions.

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 guides, lifting mechanisms, or electric drives, check the available parts in the Mercedes window regulators and motors category.

Additional information and expert support

When selecting components for body systems and interior equipment, it is worth paying attention to the quality and origin of the parts, especially in the case of premium class vehicles. To better understand why original components are important for durability and operational safety, you can use the advice contained in the article OEM quality guarantee and safety – why are used original car parts the best choice for your car?.

If you are also interested in issues related to operating costs and potential failures in other popular models, you will find useful information in the material BMW E90 engine failures: check what can ruin your budget!, which shows how the proper selection of parts affects long-term service expenses.