Mercedes-Benz W221 High Gloss Rear Right Door Window Trim Strip Rail A2217300219

Mercedes W221 Window Regulator Guide Rear Right Passenger Side is a precise component from the Doors and Door Panels category, designed for guiding the rear right window in a luxury vehicle body. A properly selected guide ensures stable operation of the window lifting mechanism, reduces play, and supports proper sealing of the vehicle's side body.

Specifications and technical data

• SKU: A2217300219
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2217300219
• Substitutable numbers: A2217300219, A 221 730 02 19, KZ
• Location on the vehicle: Rear, Right
• Category: Doors & Door Skins

Vehicle Application and Placement

The window regulator guide is designed for installation in the rear right section of the vehicle body, within the door or side window recess. The Rear, Right placement indicates that the component works with the window mechanism on the rear passenger side, responsible for the proper vertical guidance of the glass pane.

Thanks to its specific profile and fit to the door structure, the guide stabilizes the window during opening and closing, reducing the risk of jamming, uneven movement, or excessive vibrations during driving.

Technical and Functional Characteristics

As a body component within the Doors and Door Panels group, the window guide works in conjunction with the lift mechanism and peripheral seals. Its function is to:

• maintain the correct geometry of the window's movement within the door plane,
• limit lateral play of the glass,
• support the sealing of the window-door system,
• reduce noise generated by window operation and body vibrations.

A properly selected guide is crucial for both acoustic comfort and the durability of the window lifting mechanism, as it reduces the loads acting on the cables, rollers, and lift motor.

Original Origin and Installation Compatibility

This component is assigned to the Mercedes brand, ensuring compatibility with the factory body geometry and door construction of the W221 model. Original origin translates to:

• secure fit to the mounting points in the door,
• proper cooperation with the factory window lift,
• maintenance of the window guidance rigidity as designed by the manufacturer.

Consequently, installation does not require structural modifications, and after replacement, the correct operation of the rear right window can be restored according to the manufacturer's standards.

Condition and Service Application

The window regulator guide is offered as a used part, allowing for economical repair of the window system while maintaining the original structural specifications. This is a practical solution in situations where:

• the window jams or moves intermittently,
• there are concerning clicking noises during lift operation,
• leaks appear around the rear right window.

Using an original guide from a dismantled vehicle allows for the restoration of the mechanism's proper function without the need to invest in expensive new components.

Benefits of Using an Original Window Guide

Replacing a worn or damaged guide with an original part dedicated to the W221 offers a range of operational benefits:

• Stable Window Guidance – reduced play and improved smoothness of movement.
• Improved Door Sealing – support for seals and reduction of air noise.
• Protection of the Lift Mechanism – lower window movement resistance and reduced load on the drive.
• Consistency with Body Structure – adherence to Mercedes' original design intentions.

If you are looking for other components in the Doors and Door Panels category for this brand, check out the available Mercedes Doors and Door Panels to select complete body solutions for your car.

More practical information on the advantages of using original parts from dismantled vehicles can be found in the article Used Mercedes Parts – Original Parts from Dismantling, which discusses how to wisely combine quality with optimal service costs.