No plastic backing plate attached or included. This mirror glass has Diagonal Measure (Longest): 7 9/16 inch = 19., 2 cm Same year/make/model may come with different mirror shape or sizes depending on the markets they released in, options installed, or mirror may have been changed over the course of the life of the vehicle. Please compare actual picture and the longest diagonal dimension provided to your vehicle prior to order to make sure of ordering appropriate fit. Mercedes ML Mirror Glass Replacement Mercedes-Benz Headlight Assembly (ML320, ML350, ML500, ML55 AMG, Bi 2002-2005 Mercedes ML Class Mirror MIRROR GLASS REPLACEMENT PAIR for 98-01 Mercedes Benz ML320 ML430 ML55 W163. Brand New · For: Mercedes-Benz ML430. $33.90 Diagonal Measure (Longest): 7 9/16 inch = 19., 2 cm . Includes double-sided Automotive Grade adhesive contoured to mirror shape that provides optimum heat transfer and easy installation. 02-05 Mercedes ML55, ML500, ML350, ML320 Left Driver Side Mirror Glass Lens W Adhesive Usa Power Steering Fluid Reservoir for Mercedes-Benz W... – Grandado Longest diagonal dimension provided is the longest size of the glass in any direction, normally longest top to opposite bottom corners measuremen Aluminum back coated real mirror glass for automotive application.