Mercedes W211 S211 Front Door Right O/S Window Electric Lifter Motor A2117200446

Mercedes W211 S211 Front Door Right O/S Window Electric Lifter Motor is an original component from the Window regulators and motors group, designed for precise operation of the window in the front right door. The design, tailored to the specifics of E-Class models, ensures stable window guidance, proper power transmission, and predictable operation of the entire lifting system.

Specifications and technical data

• SKU: A2117200446
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2117200446
• Substitutable numbers: A2117200446, A 211 720 04 46, A2117200246, A 211 720 02 46, A2118203042, A 211 820 30 42
• Location on the vehicle: Front, Right
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented mechanism is designed to operate in the front right door area, where it is responsible for guiding and lifting the window in accordance with the manufacturer's factory specifications. As an item from the Window regulators and motors category, it works with the vehicle's electrical system and window control system, ensuring smooth opening and closing without jamming or excessive play.

The placement on the vehicle is strictly defined, which facilitates the selection of the correct part during post-collision repairs, replacement of a worn mechanism, or when eliminating issues with uneven window operation on the passenger side.

Benefits of using an original mechanism

Using a dedicated window lifter in the Mercedes E-Class W211/S211 series allows for maintaining factory guide geometry and the correct drive ratio. Thanks to this:

• window movement is uniform along the entire length of the guide,
• the risk of overloading the control motor is reduced,
• wear on cables, rollers, and mounting points in the door is limited,
• it is easier to maintain door tightness and proper window pressure against the seals.

A properly selected mechanism also influences acoustic comfort inside the cabin – a correctly positioned window reduces wind noise and unwanted vibrations when driving at higher speeds.

Installation characteristics

The lifter is structurally prepared for installation in the factory mounting points in the door, which facilitates service work and shortens replacement time. Maintaining the original mounting concept allows for:

• seamless fitment with the door panel and window,
• proper adjustment of the window's operating range in the upper and lower positions,
• correct cooperation with the factory control motor (if provided in the given configuration).

The product comes from dismantling, which means it is a component of confirmed origin, matched to a specific generation of Mercedes, while simultaneously representing an economical alternative to purchasing a new mechanism.

Selection by numbers and vehicle compatibility

The mechanism has manufacturer markings and interchangeable numbers, which facilitates verification of compatibility with a specific equipment version. When selecting, it is recommended to compare data with vehicle documentation or the dismantled part, and if necessary, use catalogs based on OEM and reference numbers. Such an approach minimizes the risk of purchasing the wrong lifter variant, especially in the case of differences between body versions or production years.

To better understand how professional selection of used components by factory numbers works and what the real economic benefits of choosing parts from dismantling are, it is worth reading the guide: Why it is worth buying used gearboxes and engines – facts instead of myths. Although it mainly concerns powertrains, the procedures and verification rules based on VIN/OEM described there are also helpful when purchasing other used elements.

Comprehensive service of the side window zone in a Mercedes

If you are planning a comprehensive repair or modernization of the side window zone in your Mercedes and need other elements from the same group, such as guides, control motors, or additional lifting mechanisms, check the available parts in the Mercedes window regulators and motors category.

For drivers who are simultaneously thinking about improving interior comfort, an interesting addition to the modernization may be replacing the seats with branded seats from dismantling – you can find more on this topic in the article: Interior metamorphosis: How branded seats from dismantling will drastically improve comfort and increase the value of your car.