Dorman 740-027 Window Regulator - Front Right

Reliable Window Regulator for Mercedes-Benz S-Class Models

The Dorman 740-027 window regulator is designed specifically for select Mercedes-Benz S-Class vehicles, including the S55 AMG, S430, S500, and S600. This electric window regulator offers a bolt-on attachment type and is engineered to restore smooth window operation without the need for a motor.

Key Features of Dorman 740-027 Window Regulator

• Compatible with Mercedes-Benz S55 AMG, S430, S500, and S600 models
• Electric window operation type for seamless power window control
• Durable plastic gear and housing materials for lightweight and corrosion resistance
• Bolt-on attachment type for straightforward installation
• Metal and plastic frame materials for structural integrity
• Does not include motor or mounting hardware
• Package contains one power window regulator

Detailed Product Description

The Dorman 740-027 window regulator is engineered to meet the specific requirements of Mercedes-Benz S-Class vehicles such as the S55 AMG, S430, S500, and S600. Featuring a plastic gear and housing, this regulator balances durability with weight savings. The frame combines metal and plastic components to provide a sturdy yet corrosion-resistant structure. Designed for electric window operation, this part allows for smooth and reliable window movement when paired with the existing motor. The bolt-on attachment type simplifies the replacement process, although mounting hardware and motor are not included. This window regulator is an ideal replacement part for restoring proper window function in your Mercedes-Benz.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or non-responsive power window operation
• Grinding or clicking noises during window movement
• Window becoming stuck in one position
• Wear or damage to the original window regulator components

Installation Notes and Tips

Installation of the Dorman 740-027 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and motor are not included, retain or replace these components as needed. The bolt-on attachment type allows for a secure fit using factory mounting points. It is recommended to verify compatibility with your specific Mercedes-Benz model and consult a professional if unfamiliar with power window system repairs. Installation instructions are not included with this part.

Quality Assurance and Warranty Information

Dorman manufactures this window regulator to meet or exceed OEM standards for fit and function on Mercedes-Benz S-Class vehicles. While the motor and mounting hardware are not included, the regulator itself is constructed with durable plastic and metal materials to ensure long-lasting performance. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.