171 589 06 63 00 Roller - WS72.00-P-0031B
MODEL 117, 171, 172, 190, 197, 207, 216, 219, 221, 230, 231, 447
Used in FG 72/77/88/Set B
Purpose:
Roller to press on A-pillar seal, roof frame as well as for assembly of window guide seal and seals on door frame.
Courtesy of MERCEDES-BENZ USA