Keystone MB1550104 Rear Left Power Window Regulator (Without Motor) OEM Replacement

The Keystone MB1550104 is an OEM-style replacement rear left power window regulator designed for the Mercedes-Benz E-Class (W210 platform). This regulator restores proper up-and-down window operation when the original mechanism has worn, broken, or seized. It is designed for power window systems without an integrated motor, allowing you to reuse your existing window motor during installation.

Key Features:

• Direct OEM-style fit — no cutting, drilling, or modification required
• Left-hand (driver's side) rear door application
• Compatible with both Sedan (2000–2002) and Wagon (2000–2003) body styles
• Designed for power window systems — motor not included
• Replaces OEM part number 2107301546
• Built to restore original window travel, speed, and alignment
• Manufactured to meet or exceed original equipment specifications

Keystone Automotive Industries is a trusted supplier of collision repair and OEM-replacement components. The MB1550104 is engineered as a precise drop-in replacement, making it an ideal solution for body shops and DIY technicians looking to restore factory window function without replacing the entire door assembly.