211 589 00 03 00 Box wrench bit - WS33.00-P-0122B
WARNING: This page is about a different car, the 2009 Mercedes-Benz E550 and 2008 Mercedes-Benz E550. However, it is still accessible from the selected car via links, so may be relevant.
FG 33/Set B
MODEL 171, 204, 219, 211
Use:
Box wrench bit, WAF 21, with square socket 14x18 mm, for bolted connection between spring control arm and front axle carrier.
NOTE:
On model 204: Threaded connection, torque strut to front axle carrier