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Home >> Mercedes Benz >> 2004 >> CLK320 2D Convertible >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- Testing & Repair -- 209 Chassis >> Testing & Repair >> Adjust parking brake - AR42.20-P-0540A

Adjust parking brake - AR42.20-P-0540A

MODEL 129, 170, 202, 203, 208, 210 

MODEL 140 as from 1.11.93 

MODEL 209.3/ 4 

Fig 1: Identifying Adjusting Screw And Adjusting Wheel - Model 129, 170, 202, 203, 208, 210
G04713757Courtesy of MERCEDES-BENZ USA
MODIFICATION NOTES

23.8.05 Clearance adjustment value changed to 8 teeth Step 7  
INSPECT Check     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between the columns of the and position the four support plates below the lifting platform support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
1.1 Check version of pedal assembly Except model 170  
REFER TO COMPONENT MODIFICATIONS Parking brake pedal assembly modified   BT42.20-P-0510-01A
2.1 Operate parking brake pedal and check pedal travel of parking brake pedal Except model 170  
    IMPORTANT If the pedal travel is not within the tolerance range: ↓
Adjusting parking brake.		  
    Actuating force on parking brake pedal *BE42.20-P-1001-01C 
    Notches through which the parking brake pedal must be depressed *BE42.20-P-1002-01C 
2.2 Operate parking brake lever and check travel of the parking brake lever Model 170  
    IMPORTANT Adjust parking brake, if the parking brake lever can be pulled up by more than 3 notches without any adequate braking effect taking place.  
REMOVING Remove     
3 Raise vehicle at rear    
4.1 Slacken adjusting screw (89) Models 129, 170  
5 Undo a wheel bolt at the left and right rear wheel NOTES Light alloy wheels must be removed due to the risk of damage.  
REFER TO MAINTENANCE Remove/install wheels, rotate if necessary   AP40.10-P-4050Z
  Adjust     
6 Use screwdriver to rotate adjusting wheel (105) until the brake shoes abut the parking brake drum and the rear wheel or brake disk can no longer be turned by hand. IMPORTANT Actuation direction for applying the brake shoes:
Right side: Turn the adjusting wheel (105) from the bottom upwards.
Left side: Turn the adjusting wheel (105) from the top downwards.		  
REFER TO COMPONENT MODIFICATIONS Adjusting mechanism for parking brake modified Type 140 BT42.20-P-9311-01A
7 Turn back adjusting wheel (105) until the wheel or brake disk is able to rotate completely freely by hand IMPORTANT When loosening the adjusting wheels (105) ensure that both sides are turned back by the same number of teeth (8 teeth).  
8.1 Turn in adjusting screw (89) until the brake cables no longer sag Model 129, 170  
INSPECT Check     
9.1 Operate parking brake pedal several times and check pedal travel of the parking brake pedal, then release the parking brake Except model 170  
    Actuating force on parking brake pedal *BE42.20-P-1001-01C 
    Notches through which the parking brake pedal must be depressed *BE42.20-P-1002-01C 
9.2 Operate parking brake lever several times, check parking brake lever travel, and then release the parking brake Model 170  
    IMPORTANT Turn in adjusting screw (89) until the parking brake lever can be actuated by one tooth with an average force application of approx. 90 to 120 Nm.  
10 Check for unobstructed movement of rear wheels or brake disks    
INSTALLING Install     
11 Fit wheel bolts or light alloy wheels    
REFER TO MAINTENANCE Remove/install wheels, rotate if necessary.   AP40.10-P-4050Z
ADJUSTMENT VALUES FOR PARKING brake

Number Designation Model 129, Pedal assembly with pulled notch Model 129, Pedal assembly with pushed notch
BE42.20-P-1001-01C Actuating force on parking brake pedal N 170 (-50/+70) 170 (-50/+70)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 140, Pedal assembly with pulled notch Model 140, Pedal assembly with pushed notch
BE42.20-P-1001-01C Actuating force on parking brake pedal N 170 (-50/+70) 170 (-50/+70)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 202, Pedal assembly with pulled notch Model 202, Pedal assembly with pushed notch
BE42.20-P-1001-01C Actuating force on parking brake pedal N 170 (-50/+70) 170 (-50/+70)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 203, Pedal assembly with pulled notch Model 203, Pedal assembly with pushed notch
BE42.20-P-1001-01C Actuating force on parking brake pedal N 170 (-50/+70) 170 (-50/+70)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 208, Pedal assembly with pulled notch Model 208, Pedal assembly with pushed notch
BE42.20-P-1001-01C Actuating force on parking brake pedal N 170 (-50/+70) 170 (-50/+70)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 209, Pedal assembly with pulled notch Model 209, Pedal assembly with pushed notch
BE42.20-P-1001-01C Actuating force on parking brake pedal N 170 (-50/+70) 170 (-50/+70)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
ADJUSTMENT VALUES FOR PARKING BRAKE

Number Designation Model 210, Pedal assembly with pulled notch Model 210, Pedal assembly with pushed notch
BE42.20-P-1001-01C Actuating force on parking brake pedal N 170 (-50/+70) 170 (-50/+70)
BE42.20-P-1002-01C Notches through which the parking brake pedal must be depressed Quantity 1 5
See fig. BT42.20-P-0510-01A BT42.20-P-0510-01A
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