Fixed Caliper Rear Axle
WARNING: This page is about a different car, the 1992 Mercedes-Benz 300E. However, it is still accessible from the selected car via links, so may be relevant.
Install piston into caliper bore so elevated section (marked Black) on piston points up when caliper is installed on vehicle. This reduces the tendency for brake squeak. If necessary use Piston Turning Tongs (000 589 50 37 00) to align piston in caliper bore. See Figure .