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Home >> Mercedes Benz >> 2021 >> S500 >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brakes -- Hydraulic & Mechanical System (1 Of 2) -- 223 Chassis >> Testing & Repair >> Remove/Install Brake Hose At Rear Axle - AR42.10-P-0023S

Remove/Install Brake Hose At Rear Axle - AR42.10-P-0023S

Model 223 

MODIFICATION NOTES

13.03.2023 Replace brake hose (2).
Always replace brake hose (2) after removal.
Operation step 4.  
31.05.2023 Brake hose to fixed or floating caliper Model 223 with code ME10 model 223 with code Z07 BA42.10-P-1005-04R
12.10.2023 Brake hose to fixed or floating caliper   BA42.10-P-1005-04R

Shown on model 223.031 on right side of vehicle 

G16191299Courtesy of MERCEDES-BENZ USA
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 the engine, actuate brake pedal several times until pressure is built up and maintained in the brake system. AS42.50-Z-0002-01A 
CAUTION Risk of poisoning  from swallowing brake fluid. Risk of injury  from skin and eye contact with brake fluid 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 
Notice  Notes on repairs to brake system   AH42.00-P-0003-01A 
Notice  Notes on installing brake hoses   AH42.10-P-9406-01LWO 
Notice  Notes on handling, transport and storage of ceramic brake disks   AH42.10-P-9406-13A 
Notice  Notes on handling, transport and storage of composite brake disks   AH42.10-P-9406-12LF 
Notice  Brake fluid notes   AH42.50-P-0001-01A 
  Note on calculation of tightening torque when using insertion or socket tools with various effective lengths   AH00.00-P-0015-01CW
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/install     
1 Remove rear wheel.   AR40.10-P-1102A
2 Detach brake line (3) from brake hose (2) and seal connections with suitable stop plugs. NOTES
Seal connections immediately.
Otherwise damage can be caused by escaping brake fluid.
 
    IMPORTANT The brake fluid reservoir must not run completely empty.
IMPORTANT Collect escaping brake fluid.
 
    TORQUE SPECIFICATION Retaining screw, brake line to brake hose *BA42.10-P-1003-04R 
    SPECIAL TOOL Box wrench bit Fig 1
    SPECIAL TOOL Record plug Fig 2
3 Remove brake hose (2) from brake caliper (1) and seal connections with suitable stop plugs. NOTES
Seal connections immediately.
Otherwise damage can be caused by escaping brake fluid.
IMPORTANT The brake fluid reservoir must not run completely empty.
IMPORTANT Collect escaping brake fluid.
 
    TORQUE SPECIFICATION Brake hose to fixed or floating caliper *BA42.10-P-1005-04R 
    SPECIAL TOOL Record plug Fig 2
4 Remove brake hose (2) from holder of brake caliper (1). INSTALLATION IMPORTANT Replace brake hose (2). Always replace brake hose (2) after removal.  
5 Install in the reverse order.    
6 Bleed brake system.   AR42.10-P-0010S 
BRAKE LINES, BRAKE HOSES

Number Designation Model 223 (except 223.182) except code Z07 Model 223 (except 223.182) with code Z07
BA42.10-P-1003-04R Retaining screw, brake line to brake hose Nm 14 14
BRAKE LINES, BRAKE HOSES

Number Designation Model 223.182
BA42.10-P-1003-04R Retaining screw, brake line to brake hose Nm 14
BRAKE LINES, BRAKE HOSES

Number Designation Model 223 (except 223.182) except code Z07 Model 223 (except 223.182) with code Z07
BA42.10-P-1005-04R Brake hose to fixed or floating caliper Front Nm 24 16
Rear Nm 50 24
BRAKE LINES, BRAKE HOSES

Number Designation Model 223.182
BA42.10-P-1005-04R Brake hose to fixed or floating caliper Front Nm 16
Rear Nm 50
Fig 1: Identifying Box Wrench Bit (140 589 00 03 00)
G07449671Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Record Plug (129 589 00 91 00)
G09975019Courtesy of MERCEDES-BENZ USA