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Home >> Mercedes Benz >> 2004 >> C32 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- 203 Chassis >> Removal & Installation >> Brake Booster >> Removal & Installation

Removal & Installation

  1. Remove wiper system to facilitate removal of brake booster. See Wiper/Washer Systems.
  2. Remove brake master cylinder. See BRAKE MASTER CYLINDER  .
  3. Remove diaphragm travel sensor connector (A7/7x1) from Brake Assist (BAS) diaphragm travel sensor (A7/7b1). See Fig 1 .
  4. Remove connector from BAS release switch (A7/7s1).
  5. Remove vacuum line (8) at brake booster (16).
    6. NOTE: DO NOT detach any connectors.
  6. Pull out Motor Electronics-Sequential Multiport Injection/Ignition System (ME-SFI) control unit and place to one side.
  7. Remove bolts from front Signal Register and Selection Module (SAM) with fuse and relay module (N10/1).
  8. Unlock and pull out rail (2) on module box.
  9. Remove brakelight switch. See BRAKELIGHT SWITCH  .
  10. Remove cover of pedal assembly.
  11. Remove locking device (25) on brake booster to brake pedal.
  12. Remove bolt (26).
  13. Remove fixing nuts (23) of brake booster.
  14. Remove brake booster (16).
  15. Installation is the reverse of removal. Tighten nuts and bolts to specification. See TORQUE SPECIFICATIONS  . Bleed brake system. See BLEEDING BRAKE SYSTEM  .
Fig 1: Removing & Installing Brake Booster
G00312882Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
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