Disassembly (300SD, 380SE & 500 Series)
Remove caliper from vehicle. Place piece of wood in front of piston. Gradually apply compressed air to fluid inlet. Remove piston. Remove dust boot from piston and piston seal from caliper bore.
Remove caliper from vehicle. Place piece of wood in front of piston. Gradually apply compressed air to fluid inlet. Remove piston. Remove dust boot from piston and piston seal from caliper bore.