VDO WR40115 Window Regulator - Front Left

Front Left Window Regulator for Mercedes-Benz

The VDO WR40115 is a front left electric window regulator built for direct replacement on select Mercedes-Benz models. It restores smooth window movement with an OE-style fit, form, and function for drivers who need a reliable repair for a failed power window mechanism.

Key Features

• Front left position for electric window operation
• Metal frame construction for stable support
• No motor included
• No mounting hardware included
• Built in ISO TS certified facilities
• OE-style replacement for front and rear regulator applications across domestic, Asian, and European vehicles

Detailed Description

VDO WR40115 window regulator is engineered as a direct-fit replacement for the original unit on compatible Mercedes-Benz E-Class and C-Class applications. It is made to match the original regulator’s fit, form, and function, helping restore normal window travel and consistent electric operation. This part number is commonly searched as VDO WR40115 and WR40115 for front left Mercedes-Benz window regulator replacement needs.

Compatible vehicle coverage includes Fits 2014-2016 Mercedes-Benz E250, front left; Fits 2010-2016 Mercedes-Benz E350, front left; Fits 2013-2016 Mercedes-Benz E400, front left; Fits 2014-2016 Mercedes-Benz E63 AMG S, front left; Fits 2010-2015 Mercedes-Benz E63 AMG, front left; Fits 2010-2014 Mercedes-Benz C250, front left; Fits 2008-2014 Mercedes-Benz C300, front left; Fits 2008-2014 Mercedes-Benz C350, front left; Fits 2008-2014 Mercedes-Benz C63 AMG, front left; Fits 2010-2014 Mercedes-Benz E550, front left; Fits 2008-2009 Mercedes-Benz C230, front left.

This part cross-references WAI WPR0439L for the same application.

Common Repair Symptoms

• Window will not move up or down
• Window binds, slips, or moves unevenly
• Grinding or clicking from the door panel
• Intermittent power window operation
• Window drops inside the door

Installation Notes

Verify the front left position and electric regulator style before installation. Transfer any reusable components from the original assembly if required by the vehicle configuration. Because mounting hardware is not included, confirm the existing fasteners and clips are serviceable before beginning the repair. Always test window alignment and travel after installation to confirm proper operation.

Quality Assurance

VDO manufactures this regulator in ISO TS certified facilities and builds it as an OE-style replacement for dependable fit and function. The WR40115 is intended to restore like-new window performance on the listed Mercedes-Benz applications.