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Removing and installing stepped tandem master brake cylinder - AR42.10-P-0310A

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.

MODELS 129, 140, 170, 202, 208, 210 

Fig 1: Identifying Stepped Tandem Master Brake Cylinder Components - Models 129, 140, 170, 202, 208, 210
G04713727Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Figure Item etc. Work instructions    
DANGER Risk of poisoning  from swallowing brake fluid. Risk of injury  from skin and eye contact with brake fluid Pour brake fluid only into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. AS42.50-Z-0001-01A 
NOTES Notes on brake fluid   AH42.50-P-0001-01A 
NOTES Notes on repairs to brake system   AH42.00-P-0003-01A 
NOTES The switchover master brake cylinder must not be repaired Models 129.076, 140.04/05/06/07  
NOTES Do not tilt the tandem master brake cylinder, but pull it straight out towards the front, otherwise the thrust rod is forced out of its axial position and may break away from the retaining lugs on the master control unit    
IMPORTANT Notes if loss of brake fluid is not visible externally   AH42.10-P-9406-02A 
IMPORTANT Detach electronic accelerator by unscrewing two nuts on the accelerator pedal bracket Model 170.435  
SPECIAL TOOL Box wrench for brake lines Width across flats 11 Figure
IMPORTANTAfter installation  Bleed brake system   AR42.10-P-0010A 
1 Tandem master brake cylinder    
2 Brake lines TORQUE SPECIFICATION *BA42.10-P-1003-04A 
3 Brake lines TORQUE SPECIFICATION *BA42.10-P-1003-04A 
9 Reservoir plug INSPECT Check and replace if necessary  
16 Brake booster    
17 Sealing ring Replace sealing ring.  
19 Nuts, tandem master brake cylinder to brake booster TORQUE SPECIFICATION *BA42.10-P-1001-05A 
20 Pre-bleed master brake cylinder at bleed screw Model 140  
Y61 Master brake cylinder switchover valve    
TORQUE SPECIFICATION BRAKE LINES, BRAKE HOSES

Number Designation Model 129 Model 140 Model 170
BA42.10-P-1003-04A Brake line to master brake cylinder Nm 14 14 14
TORQUE SPECIFICATION BRAKE LINES, BRAKE HOSES

Number Designation Model 202 Model 208 Model 210
BA42.10-P-1003-04A Brake line to master brake cylinder Nm 14 14 14
TORQUE SPECIFICATION MASTER BRAKE CYLINDER

Number Designation Model 129 Model 140 Model 170
BA42.10-P-1001-05A Nut, master brake cylinder to brake booster Nm 20 20 20
TORQUE SPECIFICATION MASTER BRAKE CYLINDER

Number Designation Model 202 Model 208 Model 210
BA42.10-P-1001-05A Nut, master brake cylinder to brake booster Nm 20 20 20
Fig 2: Identifying Box Wrench Bit (000 589 75 03 00)
G04713728Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
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