URO 1266780120 Back Glass Seal

Mercedes-Benz Back Glass Seal

This URO back glass seal is made for select Mercedes-Benz sedans and helps restore a tight rear window seal. It is built for the 1981-1985 Mercedes-Benz 300SD, 1981-1983 Mercedes-Benz 380SEL, 1984-1985 Mercedes-Benz 380SE, and 1984-1985 Mercedes-Benz 500SEL.

• OE-style seal profile for a precise rear glass fit
• EPDM rubber construction resists water intrusion and airborne dust
• Heat- and UV-resistant material for long-term exterior use
• Helps reduce wind noise around the back glass
• URO part number 1266780120

Detailed Product Overview

URO 1266780120 is a back glass seal for Mercedes-Benz body sealing repair, made to match the original-style profile used on these chassis. It is a direct-fit sealing component for the rear window opening on the 1981-1985 Mercedes-Benz 300SD, 1981-1983 Mercedes-Benz 380SEL, 1984-1985 Mercedes-Benz 380SE, and 1984-1985 Mercedes-Benz 500SEL. This part cross-references URO-001116 and 126 678 0120 for the same application.

Common Problems This Seal Can Address

• Water leaking past the rear glass perimeter
• Dust entering through a worn or hardened back glass seal
• Wind noise from a loose or deteriorated rear window seal
• Cracked, shrunken, or UV-aged original rubber
• Poor sealing after prior body or glass service

Installation Notes

Inspect the glass channel and body flange before installation and remove old adhesive, corrosion, and debris so the seal seats evenly. Confirm the rear glass and surrounding trim are aligned before final assembly. For fitment searches, this part is commonly referenced as a Mercedes-Benz 300SD back glass seal, Mercedes-Benz 380SEL rear window seal, or Mercedes-Benz 500SEL rear glass seal.

Quality Assurance

URO lists this seal with guaranteed fitment and a 24-month unlimited mileage warranty. The EPDM rubber construction is specified for resistance to heat, UV exposure, water, and airborne dust.