General description The Left Electric Window Regulator is designed specifically for Mercedes-Benz W164 models, including the ML, GL, and R-Class from 2006 to 2011. This product ensures smooth operation of your vehicle's window lifting mechanism. Technical specifications Window Lifter Switch Size: 10 x 10 x 10 cm Compatible with Mercedes-Benz models: W164, W251 Part number: 251 830 0290 Other information Packing list: 1 x Window Regulator, 1 x Instruction manual Precautions: Manual measurements may have an error of 0.5-1 inch (1 inch = 2.54 cm) Color may vary slightly from the item photo due to screen differences Accessories are not original