Continental WR40452 Window Regulator - Rear Left

Reliable Rear Left Window Regulator for Mercedes-Benz Models

The Continental WR40452 window regulator is designed specifically for the rear left door of select Mercedes-Benz vehicles. Engineered with durable metal construction and electric operation, this part ensures smooth window movement and long-lasting performance.

• Material: Robust metal for durability
• Mounting Position: Rear left door
• Fitment: Specific to Mercedes-Benz E55 AMG, E300, E320, E420, and E430 models
• Operation: Electric window regulator (motor not included)
• Grade Type: Regular replacement quality

Product Details and Specifications

The Continental WR40452 is a metal window regulator designed for the rear left door of Mercedes-Benz E-Class models including E55 AMG, E300, E320, E420, and E430. This electric window regulator operates without an included motor, making it compatible with existing motor assemblies. Its specific fitment ensures proper alignment and function, reducing installation time and improving reliability. The regular grade type indicates it meets standard OEM replacement requirements without additional enhancements.

Common Applications and Problem Resolution

• Restores smooth window operation on the rear left door
• Replaces faulty or broken window regulators causing window jams or slow movement
• Addresses issues with window misalignment or failure to stay in position
• Eliminates noise or grinding sounds during window operation
• Prevents window from falling inside the door panel

Installation Notes and Tips

Installation of the Continental WR40452 window regulator requires removal of the rear left door panel. Since the motor is not included, ensure the existing motor is compatible and functional before installation. Proper alignment during mounting is critical to avoid window binding or uneven movement. Use manufacturer-recommended tools and follow vehicle-specific service manuals for best results.

Quality Assurance and Warranty Information

Continental manufactures the WR40452 window regulator to meet standard replacement quality for Mercedes-Benz vehicles. While no specific warranty details are provided, Continental parts typically adhere to industry standards for durability and performance. Verify warranty terms with the point of purchase or manufacturer documentation.