001 589 00 03 00 Box wrench bit - WS32.00-P-0062B
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.
MODEL 164, 166, 172, 204, 205, 207, 211, 212, 216, 219, 221, 222, 240, 251
MODEL 963, 964, 967
FG 20/32/83/91/Sets B
Box wrench bit, open, 10 mm with square socket 12x9 mm.
On model 172 as well as unfastening and tightening the bolts on the airbag control unit.