To remove

Raise the car.
Remove the wheel.
Remove the retaining spring from the brake caliper:
- Level 1, 2 and 4: Prize with a screwdriver between the hydraulic body and the retaining spring (A).
  
  Fig 1: Identifying Retaining Spring
  Courtesy of SAAB-SCANIA OF AMERICA, INC.
- Level 3: Prize away the retaining spring (B) with a screwdriver and hold the spring's plate (C).
  
  Fig 2: Illustration For Steps B And C
  Courtesy of SAAB-SCANIA OF AMERICA, INC.
Press in the piston:
- Level 1, 2 and 4: Press in the brake pad (A) by prizing with a screwdriver.
  
  Fig 3: Illustration For Steps C And D
  Courtesy of SAAB-SCANIA OF AMERICA, INC.
- Level 3: Prize between the brake disc and the brake caliper (B) using a screwdriver.
  
  Fig 4: Illustration For Steps B-D
  Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the protective covers (C), the hydraulic body guide pins (D) and lift off the hydraulic body.
Hang up the hydraulic body (A) in the spring using a cable tie.

Fig 5: Identifying Hydraulic Body
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Remove the outer brake pad.
Remove the retaining screws (A) for the brake caliper holder and lift out the holder.

Fig 6: Identifying Brake Caliper Holder Retaining Screws

Courtesy of SAAB-SCANIA OF AMERICA, INC.