Genuine Mercedes 1247200346 Front Left Window Regulator

The Genuine Mercedes 1247200346 Window Regulator is a factory-original replacement component designed to restore smooth, reliable power window operation in Mercedes-Benz W124 chassis models. This front left (driver side) window regulator is the essential mechanical assembly that moves the window glass up and down within the door frame.

Key Features:

• Genuine Mercedes-Benz OEM part ensuring precise fit and quality
• Front left (driver side) placement for W124 sedan and wagon models
• Engineered to meet original equipment standards for dependable performance
• Direct replacement design for straightforward installation
• Regulator mechanism only - does not include electric motor

Over time, window regulators can wear out, causing symptoms such as slow window movement, grinding or knocking sounds during operation, windows that won't move at all, or glass falling into the door frame. This genuine replacement restores factory functionality and eliminates these common issues. The replacement unit may not include the mounting bar; manufacturer recommends reusing the existing mount if necessary.

Alternate Part Numbers: A1247200346, A 124 720 03 46, 1247200346OE, W0133-1606158