Mercedes SLK R171 Window Lifter Front Door Right Mechanism A1717200446

The Mercedes SLK R171 Front Right Window Regulator Mechanism is an original part from the Window Regulators and Motors group, designed for precise operation of the passenger side window in the SLK R171 model. The mechanism ensures stable window guidance, proper positioning, and correct cooperation with the factory electric control system.

Specifications and technical data

• SKU: A1717200246-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1717200246
• Substitutable numbers: A1717200246, A 171 720 02 46, A1717200446, A 171 720 04 46
• Location on the vehicle: Front, Right
• Category: Window Motors & Regulators

Purpose and Function in the Vehicle

The presented window regulator mechanism is dedicated for installation in the front – right side area, meaning it operates in the passenger door. It is responsible for the smooth raising and lowering of the window, maintaining it in its set position, and proper guidance within the tracks, which is important for both driving comfort and body sealing.

As an original Mercedes part, the regulator has been designed considering the geometry of the SLK R171 doors, ensuring it cooperates with factory mountings, the window, and the electrical system without the need for structural modifications.

Construction and Technical Fit

The mechanism belongs to the Window Regulators and Motors group, meaning it integrates with the window control system in the door and transfers power from the motor to the window via a specific system of guides and cables. The construction is optimized for operation within the limited space of the door, maintaining appropriate rigidity and repeatability of movement.

Key functional features of this regulator include:

• dedicated placement on the vehicle – front, right side,
• compatibility with the factory window control system in the SLK R171,
• mounting points and operating geometry designed for the specific model.

Condition and Benefits of Choosing a Used Part

The item is offered as a used part, which translates to a favorable compromise between cost and functionality. An original regulator from disassembly retains its factory construction and fit, while allowing for cost savings compared to purchasing a new aftermarket part.

Choosing a used mechanism from the Window Regulators and Motors group is particularly justified for routine maintenance repairs, where restoring full window functionality while maintaining compliance with original design solutions is a priority.

For a broader perspective on the cost-effectiveness of using second-hand parts in key vehicle systems, consult the expert guide: Why Buy Used Gearboxes and Engines – Facts Instead of Myths.

Practical Application in Service

The front right window regulator mechanism is a typical part replaced in cases of:

• the window stopping halfway through its travel range,
• uneven raising or lowering of the window,
• clicking noises, jamming, or play during operation.

Using an original regulator dedicated to the SLK R171 allows for reduced repair time, simplifies installation, and minimizes the risk of issues with window geometry, sealing, and cooperation with door seals and latches.

Expanding the Window Control System in Mercedes SLK

If you are planning a comprehensive repair or upgrade of the door and window area in your Mercedes and need other parts from the same group, such as guides, regulator motors, or complete window mechanisms, check the available parts in the category Mercedes Window Regulators and Motors.

Summary

The Mercedes SLK R171 Front Right Window Regulator Mechanism is an original part designed for the passenger door, ensuring proper window guidance and control. Choosing a used, factory original regulator is a technically sound solution that restores full functionality to the window system while maintaining vehicle design compliance and reducing repair costs.