2.13. Remove the brake disc.
2.14. Remove the pressure springs (26).
2.15. Remove the lower tension spring (27).
2.16. Remove the brake shoes (24) with the clearance adjuster (18) and the upper tension spring (28).
(Article obtained from this portal: «mercedesman.ru»)
2.17. Disconnect the lever (25) from the cable end that releases the brake shoes (22).
2.18. Assemble in reverse order.
2.19. Adjust the parking brake.
2.20. Unscrew one of the rear wheel mounting screws (if an alloy wheel is installed, the wheel should be removed) to provide access to the adjusting ratchet (18).
2.21. Using a thin screwdriver, turn the ratchet until the wheel locks. Then turn the ratchet 6 teeth in the opposite direction.
2.22. Install the removed parts.
2.23. Adjust the tension of the cables (22).
Adjusting the tension of the parking brake cables
2.24. Full braking of the vehicle with the parking brake should be achieved by pressing the parking brake pedal 3-4 clicks of the lock. This is accomplished by rotating the cable tension adjusting nut.
VN 1.020
18. Ratchet for adjusting the position of the parking brake shoes
20. Parking brake drive cable tension adjustment device
21. Adjusting nut
22. Parking brake cables
23. Pin
24. Brake pads
25. Lever that releases the brake pads
26. Pressure springs
27. Lower tension spring
28. Upper tension spring
29. Rotating part of the parking brake clearance adjustment device
30. Fixed part of the clearance adjustment device in the parking brake