Mercedes CLK C209 Door Window Regulator Lifter Motor Rear Left N/S A2096700103

Mercedes CLK C209 Door Window Regulator Lifter Motor Rear Left N/S is an original component from the Window regulators and motors group, designed for operating the rear left window in the C-Class coupé body. The precise design ensures stable window operation, correct guidance within the tracks, and consistent movement throughout the full opening and closing range.

Specifications and technical data

• SKU: A2096700103
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2096700103
• Substitutable numbers: A2096700103, A 209 670 01 03
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and vehicle placement

The presented actuator is dedicated for installation in the rear left window area, within the door or side body panel zone. It is responsible for transmitting power within the window lifting and lowering mechanism, working in conjunction with the guides and other components of the window system.

This placement on the vehicle allows for maintaining the correct window operating geometry, minimizes stress within the mechanism, and reduces the risk of jamming, which translates into daily operational comfort.

Technical and functional characteristics

As an element from the Window regulators and motors category, the actuator is responsible for converting the rotary motion of the drive into the linear motion of the window mechanism. The design is adapted to the specific kinematics of the rear doors in Mercedes C209 models, ensuring the correct window operating speed and smooth stopping at the extreme positions.

The original Mercedes origin means compliance with factory assembly tolerances, which facilitates installation in place of a worn or damaged component without the need for modifications. The mechanism works with the factory window control system, ensuring proper response to signals from the cabin buttons.

Application in repairs and diagnostics

The actuator is intended for use in situations where symptoms such as uneven window operation, stopping halfway, lack of response to controls, or noticeable play in the mechanism occur. Replacing the complete actuator along with the window regulator mechanism allows for restoring the proper functionality of the system without the need for interfering with the door structure.

Part selection is facilitated by the ability to identify it by the OEM number and interchangeable numbers, which is particularly important when comparing components from different model years or equipment versions. In workshop practice, this method of identification shortens diagnostic time and reduces the risk of installing an incorrect component.

Benefits of using an original used component

Using an original, used actuator in a Mercedes C209 allows for maintaining the structural integrity of the vehicle and avoiding problems typical of lower-quality aftermarket replacements. This type of component is particularly beneficial in repairs where the cost-to-durability ratio and full compatibility with the factory window control system are important.

If you want to better understand how to safely select components from the secondary market based on OEM numbers and what the real cost differences are between new and used drive components, it is worth checking out the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which describes universal principles also useful when selecting other mechanical elements.

Expansion of the window system in Mercedes

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