On replacement day, a professional Rear Glass Replacement workflow for Mercury Mariner Hybrid starts with safety and controlled cleanup. Broken rear glass can leave sharp fragments in trim pockets, seat tracks, and the defroster harness area, so interior surfaces should be protected and shards removed systematically—loose pieces first, then vacuuming of trap zones like weatherstrip channels, speaker grilles, rear deck seams, and hatch trim edges. If the old glass is shattered but still bonded, stabilization tape may be used to prevent collapse during cut-out. Trim components are removed as needed to access moldings and garnish panels, with clips managed to prevent rattles on reassembly. Pinchweld prep is the durability step: old urethane is trimmed to correct height, contamination is cleaned, and any bare metal/corrosion is treated per the primer system so adhesion is reliable. The replacement glass is cleaned and prepped/primed per adhesive instructions. Defroster tab handling is critical: connectors should be removed straight off the tabs (no twisting), and orientation should be noted so reconnection is correct and strain-free. Before setting the new glass, the technician confirms bead path and alignment references so the panel seats evenly and moldings cover the bond line properly. After placement, defroster/antenna connections are reattached carefully, trims are reinstalled, and the area is cleaned again for a safe interior and a stable bond.