{"product_id":"dorman-740-577-window-regulator","title":"Dorman 740-577 Window Regulator - Rear Right","description":"\u003ch2\u003eReliable Window Regulator for Select Mercedes-Benz Models\u003c\/h2\u003e\u003cp\u003eThe Dorman 740-577 window regulator is designed to restore smooth electric window operation in various Mercedes-Benz vehicles. Engineered with durable materials, this power window regulator offers a bolt-on installation for a secure fit without the need for additional mounting hardware.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman 740-577 Window Regulator\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mercedes-Benz 300SD, 300SE, 400SE, 400SEL, 500SEL, S320, S350, S420, S500, and S600 models\u003c\/li\u003e\n\u003cli\u003eElectric window operation type for seamless power window control\u003c\/li\u003e\n\u003cli\u003eDurable metal and plastic frame construction for long-lasting performance\u003c\/li\u003e\n\u003cli\u003ePlastic gear material designed for smooth and quiet movement\u003c\/li\u003e\n\u003cli\u003eBolt-on attachment type for straightforward installation\u003c\/li\u003e\n\u003cli\u003eIncludes one power regulator unit; motor and mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Dorman 740-577 Window Regulator\u003c\/h2\u003e\u003cp\u003eThis window regulator is specifically engineered for electric window systems in select Mercedes-Benz vehicles, including the 300SD, 300SE, 400SE, 400SEL, 500SEL, S320, S350, S420, S500, and S600. The combination of metal and plastic frame materials ensures a balance of strength and weight reduction, while the plastic gear material contributes to quieter operation. The bolt-on attachment type simplifies the replacement process, making it a practical choice for professional repairs or experienced DIY enthusiasts. Note that this part does not include the motor or mounting hardware, so those components must be sourced separately if needed.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Window Regulator\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eElectric window failing to move up or down smoothly\u003c\/li\u003e\n\u003cli\u003eWindow stuck in one position due to worn or broken regulator gears\u003c\/li\u003e\n\u003cli\u003eUnusual noises during window operation caused by damaged regulator components\u003c\/li\u003e\n\u003cli\u003eLoose or unstable window movement resulting from faulty regulator frame\u003c\/li\u003e\n\u003cli\u003eComplete window regulator failure preventing window operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your specific Mercedes-Benz model before installation\u003c\/li\u003e\n\u003cli\u003eSince mounting hardware and motor are not included, verify existing components are reusable or acquire replacements\u003c\/li\u003e\n\u003cli\u003eFollow vehicle-specific service manual instructions for safe removal and installation\u003c\/li\u003e\n\u003cli\u003eHandle the plastic gear and frame components carefully to avoid damage during installation\u003c\/li\u003e\n\u003cli\u003eTest window operation after installation to confirm proper function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit and function. The 740-577 window regulator undergoes quality checks to ensure reliable performance in Mercedes-Benz vehicles. Please refer to Dorman's official warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44062711185589,"sku":"BKKY-740-577","price":63.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_740577_Fro.jpg?v=1775010682","url":"https:\/\/www.partcatalog.com\/products\/dorman-740-577-window-regulator","provider":"PartCatalog","version":"1.0","type":"link"}