WAI WPR4739RB Window Regulator - Rear Right

Reliable Window Regulator for Mercedes-Benz E-Class Models

The WAI WPR4739RB window regulator is designed specifically for select Mercedes-Benz E-Class vehicles, including the E55 AMG, E300, E320, E420, and E430. This replacement part ensures smooth and consistent window operation, restoring functionality to your vehicle's door system.

• Compatible with Mercedes-Benz E55 AMG, E300, E320, E420, and E430 models
• Durable construction for long-lasting performance
• Direct replacement for factory window regulators
• Part number WPR4739RB for precise identification

Product Details and Compatibility

The WAI WPR4739RB window regulator is engineered to meet the specifications of Mercedes-Benz E-Class vehicles listed above. This part is essential for controlling the up and down movement of the window glass within the door assembly. Designed without ambiguity, it fits directly into the existing mounting points, ensuring proper alignment and operation. The part number WPR4739RB helps confirm compatibility when sourcing replacement components for your Mercedes-Benz E55 AMG, E300, E320, E420, or E430.

Common Applications and Problem Resolution

• Restores window movement when the glass is stuck or slow
• Replaces broken or worn-out window regulators causing noise or uneven operation
• Fixes windows that fail to stay in position
• Addresses electrical or mechanical failure in power window systems
• Eliminates rattling or loose window glass within the door

Installation Notes and Tips

Installation of the WAI WPR4739RB window regulator requires removal of the door panel and careful handling of the window glass. It is recommended to disconnect the vehicle battery before beginning to avoid electrical hazards. Ensure all mounting points are securely fastened and test window operation before reassembling the door panel. Professional installation is advised for optimal results.

Quality Assurance and Warranty

WAI manufactures the WPR4739RB window regulator to meet industry standards for durability and fitment. While specific warranty details are not provided, WAI parts typically undergo quality control to ensure reliable performance in Mercedes-Benz E-Class vehicles. Confirm warranty terms with the supplier at the time of purchase.