Genuine 1647201579 Window Regulator - Front Left

Mercedes-Benz Front Left Window Regulator

This Genuine window regulator, part number 1647201579, is a direct-fit body component for the front left door on select Mercedes-Benz GL-Class and M-Class models. It is built for vehicles that need a replacement window lift mechanism with OE-style fitment and function.

• Genuine replacement window regulator for the front left door
• Fits 2006-2012 Mercedes-Benz GL350, GL450, GL550, GL320, front left
• Fits 2006-2011 Mercedes-Benz ML350, ML450, ML550, ML63 AMG, ML320, ML500, front left
• Part number 1647201579 for ordering and fitment verification
• Body > Doors application for driver-side front window operation

Detailed Fitment and Application

Compatible with Mercedes-Benz GL350, GL450, GL550, GL320, ML350, ML450, ML550, ML63 AMG, ML320, and ML500 models in the front left position, this window regulator restores the mechanical movement needed to raise and lower the driver-side front window. The part number 1647201579 is commonly searched for OE replacement needs on 2006-2012 Mercedes-Benz GL-Class and M-Class vehicles, including ML applications from A074262.

Common Problems This Part Can Address

• Window glass that will not move up or down
• Slow, uneven, or jerky window travel
• Grinding or binding during window operation
• Window dropping out of position inside the door
• Failure of the original regulator mechanism

Installation Notes and Tips

Verify the vehicle year, model, and front left door application before installation. On ML models, confirm the build reference noted in fitment: from A074262. Compare the original regulator and connector layout to the replacement part before removing the door trim panel. Proper alignment of the glass and regulator tracks is important for smooth operation after installation.

Quality Assurance

Genuine parts are selected for OE-style fit and application-specific replacement needs. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.