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Home >> Mercedes Benz >> 2003 >> SLK320 Standard >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes - 170 Chassis >> Adjustments >> Parking Brake

Parking Brake

NOTE: Letters and numbers in parenthesis correspond to letters and numbers in illustrations.
  1. Operate parking brake lever and check travel. If brake lever can be pulled more than 3 notches without adequate braking effect being evident, go to next step.
  2. Raise and support vehicle.
  3. Loosen equalizer adjusting screw (89) for rear brake cables. See Fig 1 .
  4. Remove rear wheels.
  5. Using a screw driver, rotate adjusting wheel until brake shoes contact parking brake drum and brake disc can no longer be turned by hand. See Fig 2 . To adjust passenger rear brake shoes, turn adjusting wheel from bottom upwards. To adjust driver rear brake shoes, turn adjusting wheel from top downwards.
  6. Turn back adjusting wheel until wheel or brake disc can be turned freely by hand. When loosening adjusting wheels ensure that both sides are turned back by the same number of teeth (5-6).
  7. Tighten equalizer adjusting screw (89) for rear brake cables, until brake cables no longer sag.
  8. Operate parking brake lever several times and check travel, tighten equalizer adjusting screw until parking brake lever can be actuated 1 tooth with a force of 66-89 ft. lbs (90-120 Nm). After adjustments, ensure brake discs turn freely by hand.
  9. Install disassembled components in reverse order. Tighten nuts and bolts to specification. See TORQUE SPECIFICATIONS  .
Fig 1: Adjusting Parking Brake Cables
G00284787Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Adjusting Parking Brake Cable Adjusting Wheel
G00308889Courtesy of MERCEDES-BENZ OF NORTH AMERICA.