Dorman 740-022 Window Regulator - Rear Left

Reliable Electric Window Regulator for Mercedes-Benz Models

The Dorman 740-022 window regulator is designed to restore smooth and efficient window operation for select Mercedes-Benz vehicles. Engineered with durable materials, this electric window regulator is compatible with Mercedes-Benz C43 AMG, C230, and C280 models, providing a precise fit and reliable performance.

• Electric window operation type for seamless power window control
• Durable steel housing and metal frame for structural strength
• Plastic gear material designed for smooth gear engagement
• Bolt-on attachment type for secure installation
• Includes one power regulator unit without motor or mounting hardware

Product Details and Construction

The Dorman 740-022 window regulator features a robust steel housing combined with a metal and plastic frame to balance durability and weight. The plastic gear material ensures quiet and consistent movement of the window mechanism. This part is designed for electric window systems and does not include a motor, making it ideal for replacing the regulator assembly while retaining the original motor. The bolt-on attachment type allows for a straightforward installation process on compatible Mercedes-Benz C43 AMG, C230, and C280 models.

Compatible Vehicles and Applications

This window regulator is specifically compatible with the following Mercedes-Benz models:

• Mercedes-Benz C43 AMG
• Mercedes-Benz C230
• Mercedes-Benz C280

It is intended for use in electric window systems where the regulator assembly requires replacement without the motor.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Grinding or unusual noises during window operation
• Window becoming stuck or falling inside the door panel
• Loose or unstable window movement
• Wear or damage to the original window regulator assembly

Installation Notes and Tips

Installation of the Dorman 740-022 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware and motor are not included, retain original components or source separately if needed. The bolt-on attachment type facilitates a secure fit, but professional installation is recommended to ensure proper alignment and function.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this product does not include a motor or mounting hardware, it is built with quality materials such as steel housing and metal frame components to ensure durability. Please refer to Dorman's warranty policy for specific coverage details.