S-class W202 Mercedes

1993-2000 of release

Repair and car operation

W202 Mercedes
+ 1.2. General information
+ 2. Maintenance
+ 3. Engines
+ 4. Greasing system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
+ 11. Steering
- 12. Brake system
   12.2. Anti-blocking system – ABS
   12.3. The additional equipment – ASR system
   12.4. Specifications of brake system
   12.5. Overlays of forward brake shoes
   + 12.6. Overlays of back disk brakes
   12.7. Support
   12.8. Forward brake disk
   12.9. Back brake disk
   12.10. Brake liquid
   12.11. Air removal from brake system
   12.12. Brake pipelines / hoses
   12.13. Replacement of brake highways
   12.14. Brake shoes of the parking brake
   12.15. Adjustment of the parking brake
   12.16. Stoplight switch
   12.17. Diagnostics of malfunctions of brakes
   + 12.18. Wheels and tires
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electroschemes

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12.9. Back brake disk


1. Unscrew a support of a back wheel and suspend on a self-made wire hook that the brake hose did not break draft.

Not to disconnect a brake hose, differently it is necessary to delete air from brake system.

2. Unscrew a wrench with an internal shestigrannik a bolt of fastening (64) and remove a brake disk (62) from a flange of a shaft of a back axis (68), (70) an adjusting pin.


The parking brake should be completely released. Rigidly sitting brake disk to separate in easy blows of a plastic hammer.


1. That uniform braking from both parties was provided, both brake disks should have equally ground surface and identical depth of microroughnesses on it. Check thickness of brake disks and their lateral palpation.
2. If there is a rust on a flange of a brake disk and a shaft of the back bridge, remove it. Cover landing of a flange of a shaft of the back bridge by a thin layer of high-temperature greasing, for example, Molykote-Paste "U", Molykote-Paste G Rapid, Liqui-Moly-Paste 36.
3. Clear a new brake disk of a protective varnish a nitrothinner. Instead it is possible to clear and degrease also brake disks a vapor jet under a high pressure.
4. If the old brake disk is mounted, clear and visually check a surface of frictional overlays for the parking brake. Check mobility of the rasporny lock of brake shoes of the parking brake.
5. So establish a brake disk on a flange of a shaft of a back axis that the adjusting pin entered into a brake disk. Screw up a new bolt of fastening and tighten with the moment of 10 N of m.
6. Establish a support.