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Removing, checking and installing rear axle brake pads - AR42.10-P-1700AM

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 129, 140, 170, 202, 208, 210 

Fig 1: Identifying Rear Axle Brake Pads Components - Model 129, 140, 170, 202, 208, 210 (1 Of 2)
G04713738Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fixed brake caliper with two retaining pins (41) on rear axle 

Fig 2: Identifying Rear Axle Brake Pads Components - Model 129, 140, 170, 202, 208, 210 (2 Of 2)
G04713739Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Remove/install     
DANGER Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake fluid coming into contact with skin and eyes Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. AS42.50-Z-0001-01A 
DANGER Risk of injury  to skin and eyes caused by handling hot or glowing objects. Wear safety gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
NOTES Notes on repairs to brake system   AH42.00-P-0003-01A 
NOTES Brake fluid notes   AH42.50-P-0001-01A 
1 Unscrew the cap on the brake fluid expansion reservoir and suction off some brake fluid IMPORTANT In order to prevent the expansion reservoir overflowing when the brake pistons (47) are pushed back.  
2 Remove rear wheels.    
REFER TO MAINTENANCE Remove/install wheels, rotate if necessary   AP40.10-P-4050Z
3 Remove brake pad contact sensor IMPORTANTInstallation:  Replace defective brake pad contact sensor.  
NOTES Notes on installing brake pad wear sensor contact sensors   AH42.10-P-0003-01A 
4 Using punch (035) hammer out retaining pins (41) and remove retaining springs IMPORTANTInstallation:  Hammer in retaining pins (41) as far as the stop.  
5 Pull brake pads (43) out of brake caliper (31) NOTES In order to avoid damage, insert a wedge between the lever (034) and brake caliper (31) when pressing out seized brake pads (43)
SPECIAL TOOLSPECIAL TOOL .
IMPORTANT Brake pads (43) are to be disposed of as special waste. The local authorities can provide information regarding whether disposal is also permitted as industrial waste similar to domestic waste.
IMPORTANTInstallation:  Only sets of brake pads (43) approved by Mercedes-Benz may be installed. Install brake pads (43) with peripheral damping (a and c) un-greased. On brake pads (43) without peripheral damping on the side surfaces (arrows) coat with some brake pad paste.		  
    SPECIAL TOOL Figure
    Brake pad paste *BR00.45-Z-1003-06A 
INSPECT Checking     
6 Check brake pad thickness and brake disks IMPORTANT Replace brake pads (43) and brake disks in sets if necessary.  
REFER TO MAINTENANCE Inspect condition of brake disks   AP42.10-P-4258AM
REFER TO MAINTENANCE Check brake lining thickness NOTES If the brake pads (43) have worn down to beyond the wear limit, the web between the sealing groove and dust cap may be damaged; therefore: ↓ AP42.10-P-4253A
    Check brake system for leaks with pressure tester. AR42.10-P-0015A 
7 Press back brake piston (47) SPECIAL TOOL using resetting device (031) NOTES Do not bend heat shield. If brake pads (43) have been removed from several brake calipers (31), their brake pistons (47) must be secured beforehand with wedges to prevent them from falling out SPECIAL TOOL .  
    NOTESSPECIAL TOOL Do not fit the pusher tool (031) to the brake disk, but push back the opposite brake pistons (47) simultaneously. If brake pistons (47) are sluggish: ↓  
    Repair brake caliper (31). AR42.10-P-0151A 
    SPECIAL TOOL Figure
    SPECIAL TOOL 601589076300
CLEANING Clean     
8 Clean contact surfaces of brake pads (43) using SPECIAL TOOL brake caliper brush (030) NOTES Do not damage boots of brake pistons (47).  
    SPECIAL TOOL Figure
9 Install in the reverse order    
DANGER Risk of accident  when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work. Before starting engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system. AS42.50-Z-0002-01A 
10 Operate the brake pedal several times until the brake pads (43) contact the brake disks IMPORTANT A firm resistance must be noticeable at the brake pedal.  
INSPECT Checking     
11 Check brake fluid level, correct if necessary    
REFER TO MAINTENANCE Brake system - inspect fluid level   AP42.10-P-4210Z
Fig 3: Identifying Lever (123 589 13 33 00)
G04713740Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 4: Identifying Brake Caliper Brush (000 589 26 68 00)
G04713741Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 5: Identifying Resetting Device (000 589 52 43 00)
G04713742Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 6: Identifying Wedge (601 589 07 63 00)
G04713743Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1003-06A Brake pad paste A 001 989 10 51
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