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BRAKE PAD REPLACEMENT
 
 
FRONT DISC BRAKE
Required Special Tool:
  • MB990520: Piston expander
cautionWhen replacing, replace both brake pads (right and left) as a set.
1. Remove the bolt indicated in the figure, swivel the caliper body upward and retain it with a wire or similar tool.
2. Remove the following parts from the caliper support.
(1) Inner shim
(2) Outer shim
(3) Brake pad assembly
(4) Brake pad and wear indicator assembly
(5) Clip
3.
cautionKeep grease or other soiling off the pad and brake disc friction surfaces.
Clean the piston part, and press the piston into the cylinder using the special tool piston expander (MB990520).
4. Assemble the inner shim, outer shim, brake pad assembly, brake pad and wear indicator assembly and clip to the caliper support, and tighten the bolt to the specified torque.
Specified torque: 50 ± 5 N·m (32 ± 4 ft-lb)
noteInstall the brake pad assembly (with wear indicator) to the inner side of the brake disc, making sure that the wear indicator is located on the top.
 
 
LUBRICATION POINTS
 
 
 
 
REAR <VEHICLES WITHOUT ELECTRIC PARKING BRAKE SYSTEM>
Required Special Tool:
  • MB991621: Piston expander
cautionWhen replacing, replace both brake pads (right and left) as a set.
1. Remove the two bolts to loosen the caliper body.
2. Lift the caliper body to put it aside.
3. Remove the following parts from the caliper support.
(1) Brake pad, shim and wear indicator assembly
(2) Brake pad and shim assembly
(3) Clip
4.
cautionKeep grease or other soiling off the pad and brake disc friction surfaces.
Clean the piston part, and press the piston into the cylinder using the special tool piston expander (MB991621).
5. Assemble the Brake pad, shim and wear indicator assembly, Brake pad and shim assembly and clips to the caliper support, and tighten the two bolts to the specified torque.
Specified torque: 27 ± 5 N·m (20 ± 3 ft-lb)
noteObserve the followings when you install the brake pad assembly:
  • Mount the brake pad with the wear indicator to the inside of the vehicle.
  • Projection behind the brake pad assembly should be seated in the groove of the piston.
 
 
 
REAR <VEHICLES WITH ELECTRIC PARKING BRAKE SYSTEM>
Required Special Tool:
  • MB990520: Piston expander
cautionWhen replacing, replace both brake pads (right and left) as a set.
1. Enter the maintenance mode (Refer to ).
2. Disconnect the electric parking brake actuator harness connector.
3. Remove the two bolts to loosen the caliper body.
4. Lift the caliper body to put it aside.
5. Remove the following parts from the caliper support.
(1) Inner shim
(2) Outer shim
(3) Brake pad assembly
(4) Wear indicator
(5) Clip
6.
cautionKeep grease or other soiling off the pad and brake disc friction surfaces.
Clean the piston part, and press the piston into the cylinder using the special tool piston expander (MB990520).
7. Assemble the shim, brake pad assembly and clip to the caliper support, and tighten the two bolts to the specified torque.
Specified torque: 35 ± 4 N·m (26 ± 2 ft-lb)
noteObserve the followings when you install the brake pad assembly:
  • When assembling the brake pad assembly to the brake caliper assembly, assemble so that the wear indicator is on the lower side.
 
 
LUBRICATION POINT