WAI WPR5643LMB Window Motor and Regulator Assembly - Rear Left

Reliable Window Motor and Regulator Assembly for Mercedes-Benz

The WAI WPR5643LMB window motor and regulator assembly is designed specifically for select Mercedes-Benz models, including the 260E, 300D, 300E, 300SEL, 300TD, and 300TE. This replacement part ensures smooth and consistent window operation, restoring functionality to your vehicle's power windows.

• Direct replacement for Mercedes-Benz 260E, 300D, 300E, 300SEL, 300TD, and 300TE models
• Complete window motor and regulator assembly for efficient window movement
• Durable construction engineered to meet OEM standards
• Part number WPR5643LMB for precise identification and fitment

Product Details and Compatibility

The WAI WPR5643LMB is a window motor and regulator assembly designed to replace worn or faulty components in the power window system of various Mercedes-Benz vehicles. This assembly combines the motor and regulator into a single unit, simplifying the replacement process and ensuring proper alignment and operation. Compatible with Mercedes-Benz models such as the 260E, 300D, 300E, 300SEL, 300TD, and 300TE, this part is engineered to match the original equipment specifications for reliable performance.

Common Applications and Problem Resolution

• Restores power window functionality when windows fail to move up or down
• Eliminates window motor noise or grinding during operation
• Fixes windows that become stuck or move unevenly
• Addresses slow or intermittent window movement issues
• Replaces damaged or worn regulator components affecting window stability

Installation Notes and Tips

Installation of the WAI WPR5643LMB window motor and regulator assembly requires removal of the door panel and disconnection of the existing window motor and regulator. Care should be taken to properly align the regulator and secure all mounting points to ensure smooth window operation. It is recommended to test the window function before reassembling the door panel. Professional installation is advised if unfamiliar with power window systems.

Quality Assurance and Warranty

WAI manufactures the WPR5643LMB window motor and regulator assembly to meet stringent quality standards, ensuring durability and consistent performance. While specific warranty details are not provided, WAI products typically undergo rigorous testing to comply with OEM requirements, offering confidence in fit and function for Mercedes-Benz 260E, 300D, 300E, 300SEL, 300TD, and 300TE vehicles.