Front Window Mechanism+Motor Electric Right Hand Side 00-04 (Mercedes Benz C Class W203)

R4978.20

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Front Window Mechanism+Motor Electric Right Hand Side 2000-2004 (Mercedes Benz C Class W203) is for front window operation on the right side for vehicles from 2000 to 2004 models of this Mercedes Benz class

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Front Window Mechanism+Motor Electric Right Hand Side 2000-2004 (Mercedes Benz C Class W203) is designed for the right front window assembly of Mercedes Benz C-Class models produced between 2000 and 2004. This part integrates both the window mechanism and the electric motor, which work together to raise and lower the window smoothly and reliably.

The window mechanism supports the glass, guiding its vertical movement within the door frame, while the electric motor provides the necessary power to operate the window switch commands. When replacing this unit, compare the part’s position on the right-hand front door and ensure compatibility with the 2000-2004 W203 series C-Class model. This part is critical for restoring electric window function on the specified side, resolving issues such as window failing to move or moving irregularly.

Buyers should verify that the existing window mechanism matches the right-hand side front door configuration and model year range before purchasing. This unit addresses mechanical and motor failures in the window regulator system, offering a consolidated solution rather than separate motor or mechanism replacements.

  • Fits right-hand side front door of Mercedes Benz C-Class W203 (2000-2004)
  • Combines electric motor with window mechanism for full window operation
  • Ideal for repairing power window failure on specified side and model range

Need help matching this item to your vehicle? Use more Window Mechanism, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

Frequently Asked Questions

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Quick answers before you order. If anything is unclear, confirm fitment first using your VIN or part number and avoid mistakes.
Helpful product answers
Is this front window mechanism compatible with all Mercedes Benz C Class W203 models from 2000 to 2004?
This Front Window Mechanism+Motor is designed specifically for the right-hand side of Mercedes Benz C Class W203 models manufactured between 2000 and 2004. It should fit all variants within these years, but always verify your vehicle’s exact model and year before purchase to ensure compatibility.
How do I properly install the Front Window Mechanism+Motor on my Mercedes Benz C Class W203?
Installation requires removing the door panel carefully to avoid damaging clips or wiring. A common mistake is forcing the mechanism into place without aligning it correctly, which can cause motor strain or window misalignment. Ensure the mechanism is securely mounted and connected before reassembling the door panel for smooth operation.
What should I do if the electric window motor stops working after installation?
First, check all electrical connections to ensure they are secure and free from corrosion. If the motor still doesn’t operate, test the fuse and window switch for faults. Persistent issues might indicate a defective motor or mechanism, in which case contacting our Trade Partners for assistance or replacement parts is recommended.
Can I request a replacement part if the Front Window Mechanism+Motor is faulty or damaged?
Yes, Brits Brothers™ offers a straightforward process for requesting replacement parts. If your product is faulty or damaged, you can submit a request through our dedicated portal. For more details on returns and refunds, visit our Refunds page to understand the procedure and eligibility.
Are there any maintenance tips to prolong the life of the electric window mechanism on my Mercedes Benz?
Regularly clean and lubricate the window tracks to prevent dirt buildup and reduce motor strain. Avoid forcing the window up or down if it feels stuck, as this can damage the mechanism. Routine checks by Trade Partners can help identify wear early and keep the system functioning smoothly.