Removing and installing brake shoes of parking brake - AR42.20-P-0530A

MODEL 129, 140, 170, 202, 203, 208, 209.3 /4, 210 

Models 129, 140 as of 1.11.93, 170, 202, 203, 208, 209, 210 

Fig 1: Identifying Brake Shoes Components Of Parking Brake - Models 129, 140 As Of 1.11.93, 170, 202, 203, 208, 209, 210

Courtesy of MERCEDES-BENZ USA

MODEL 140 up to 31.10.93 

Fig 2: Identifying Brake Shoes Components Of Parking - Model 140 Up To 31.10.93

Courtesy of MERCEDES-BENZ USA

	Remove/Install
	Risk of death.  Death may result if vehicle slips or topples from the lifting platform.	Align vehicle between the columns of the hydraulic hoist and position the four support plates below the hoist support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
1	Remove rear wheels.
	Remove/install wheels, rotate if necessary		AP40.10-P-4050Z
2	Remove brake discs on rear axle		AR42.10-P-0220P
3.1	Fold forward and remove rear seat cushion	Vehicles without code P98 Black Series
3.2	Remove battery	Vehicles with code P98 Black Series	AR54.10-P-0005P
4.1	Remove cover panel under rear seat cushion	Vehicles without code P98 Black Series
4.2	Remove cover panel under battery	Vehicles with code P98 Black Series
5	Release adjustable slack adjuster		AR42.20-P-0525P
6	Unhook retracting spring (111) using extraction and insertion tool (041)	Installation:  Pay attention to correct seat of retracting spring (111)!
		Removal and installation tool	Fig 3
7	Unhook retaining springs (107) using installation tool (040)	Installation:  Pay attention to correct seat of retaining springs (107).
		Installation tool	Fig 4
8	Remove brake shoes (103) over rear axle shaft flange (68)	If the brake shoes (103) are burnt, the brake shoes (103), retracting springs (111, 112) and retaining springs (107) should be replaced. On vehicles with internally ventilated brake disks the brake disks must also be replaced. Installation:  Turn back the adjusting mechanism (105) and insert in the two brake shoes (103) so that the adjuster (c) points in the direction of travel. Model 140 up to 31.10.93 Installation:  Turn back the adjusting mechanism (105) and insert in the two brake shoes (103) so that the flat on the adjusting screw (e) points upwards. On the left side the adjusting screw (e) must point in the direction of travel and on the right side towards the back.
9	Detach retracting spring (112)	Apply light coating of grease to thread of thrust piece (104) and cylindrical part of adjustment wheel (c). Model 140 up to 31.10.93 Apply light coating of grease to thread of bolt (b) and adjustment wheel (c).
	Hot lubricating paste		*BR00.45-Z-1005-06A
		Installation:  The retracting spring (112) must be underneath the bolt (b). Make sure that the retracting spring is seated correctly.
10	Remove expansion lock (109)	Apply light coating of grease to all bearings and slide surfaces on expansion lock (109).
		Hot lubricating paste	*BR00.45-Z-1005-06A
11	Install in the reverse order
12	Load adjustable slack adjuster	Model 129, 170
	Inspect
13	Check version of pedal assembly
	Parking brake pedal assembly modified		BT42.20-P-0510-01A
14	Adjusting parking brake		AR42.20-P-0540A

Fig 3: Identifying Removal And Installation Tool (116 589 01 62 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Installation Tool (112 589 09 61 00)

Courtesy of MERCEDES-BENZ USA