Retrofitting trunk interior button - AZ88.50-P-0002-06F

Model 210 with code 491

Mark cutout on trunk lid paneling as shown in drawing.
Cut out paneling of rear center section

Fig 1: Identifying Mark Cutout On Trunk Lid Paneling
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Install trunk interior button (1) in trunk lid paneling from front and fasten from rear with retaining ring (2).
Ensure that seat is correct (collar on trunk interior button (1) should make contact with paneling around entire circumference)

Fig 2: Identifying Trunk Interior Button And Retaining Ring
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.