211 589 06 23 00 Brake pad test gauge - WS40.00-P-0066A
WARNING: This page is about a different car, the 2009 Mercedes-Benz E350 and 2008 Mercedes-Benz E350. However, it is still accessible from the selected car via links, so may be relevant.
FG 40/Set A
MODEL all
Use:
Brake pad check gauge for measuring the tire tread depth.
Fig 1: Identifying Brake Pad Test Gauge (211 589 06 23 00)