WAI WPR0439L Window Regulator - Front Left

Reliable Window Regulator for Mercedes-Benz Models

The WAI WPR0439L window regulator is designed specifically for select Mercedes-Benz vehicles, including the C63 AMG, C250, C300, C350, E63 AMG, E63 AMG S, E250, E350, E400, and E550. This part ensures smooth and consistent window operation, restoring functionality to your vehicle's door system.

• Compatible with multiple Mercedes-Benz models: C63 AMG, C250, C300, C350, E63 AMG, E63 AMG S, E250, E350, E400, E550
• OEM-quality replacement part number WPR0439L
• Designed for door window regulator applications
• Durable construction for long-lasting performance
• Precision fitment to maintain factory window operation

Product Details and Compatibility

The WAI WPR0439L window regulator is engineered to meet the specifications required by Mercedes-Benz vehicles listed in its fitment. This window regulator is a direct replacement for the original part, ensuring proper alignment and smooth window movement. It is intended for use in the door assembly to control the raising and lowering of the window glass. The part number WPR0439L corresponds to this specific regulator model, making it easier to identify for maintenance or repair purposes.

Common Applications and Problem Resolution

• Restores window movement in Mercedes-Benz C63 AMG and E63 AMG models
• Replaces faulty or worn window regulators causing window sticking or failure
• Eliminates issues with uneven or slow window operation in C250, C300, and E350 vehicles
• Addresses window regulator noise or grinding during operation
• Solves problems related to window glass misalignment or failure to stay in position

Installation Notes and Tips

Installation of the WAI WPR0439L 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 the replacement to avoid electrical issues. Proper alignment during installation is critical to ensure smooth window operation. Refer to the vehicle’s service manual for detailed instructions specific to each Mercedes-Benz model.

Quality Assurance and Warranty

WAI manufactures the WPR0439L window regulator to meet industry standards for durability and performance. While specific warranty details are not provided, WAI products typically undergo quality control testing to ensure reliability. Using this OEM-quality replacement part helps maintain the integrity of your Mercedes-Benz window system.