Dorman 740-409 Window Regulator - Front Right

Reliable Window Regulator for Select Mercedes-Benz Models

The Dorman 740-409 window regulator is designed to restore smooth electric window operation in your Mercedes-Benz C36 AMG, C43 AMG, C220, C230, or C280. Engineered with durable materials, this power window regulator offers a bolt-on attachment for straightforward replacement.

• Gear material constructed from plastic for consistent performance
• Frame made of both metal and plastic components for strength and durability
• Electric window operation type compatible with factory systems
• Bolt-on attachment type for secure mounting
• Includes one power regulator without motor or mounting hardware

Product Details and Specifications

The Dorman 740-409 window regulator features a combination of plastic gears and a metal/plastic frame to balance durability and weight. Designed specifically for electric window systems, this regulator does not include a motor, making it ideal for users who need to replace only the regulator mechanism. The bolt-on attachment type ensures a secure fit without requiring modifications. This part is compatible with Mercedes-Benz models including the C36 AMG, C43 AMG, C220, C230, and C280, providing a direct replacement solution for these vehicles.

Common Applications and Problem Resolution

• Fixes windows that fail to move up or down smoothly
• Resolves issues with window alignment or binding
• Replaces worn or broken plastic gears causing window malfunction
• Addresses rattling or loose window movement
• Restores proper electric window operation in compatible Mercedes-Benz models

Installation Notes and Tips

Installation of the Dorman 740-409 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware and motor are not included, retain existing components or source separately if needed. The bolt-on design facilitates a straightforward replacement process, but professional installation is recommended for optimal results. Installation instructions are not included with this part.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this window regulator does not include a motor or mounting hardware, it is built with quality plastic gears and a durable frame to ensure reliable operation. Please consult Dorman’s warranty policy for specific coverage details related to part number 740-409.