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Home >> Mercedes Benz >> 2012 >> S550 Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - 221 Chassis - 1 Of 3 >> Testing & Repair >> Replace brake hoses - AR42.10-P-0013SX

Replace brake hoses - AR42.10-P-0013SX

MODEL 216 

MODEL 221 

Front brake hose 

Fig 1: Identifying Front Brake Hose Components
G10110317Courtesy of MERCEDES-BENZ USA

Rear brake hose 

Fig 2: Identifying Rear Brake Hose Components
G10110318Courtesy of MERCEDES-BENZ USA

Model 221.179 

Fig 3: Identifying Brake Caliper, Banjo Bolt And Brake Hose - Shown On Model 221.179
G10110319Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Brake Hoses Components - Shown On Model 221
G10110320Courtesy of MERCEDES-BENZ USA

Model 221 with code Z07 Top protection 

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 Brake fluid notes   AH42.50-P-0001-01A
NOTES Notes on repairs to brake system   AH42.00-P-0003-01A
NOTES Notes on installing brake hoses   AH42.10-P-9406-01A
1 Remove wheel.    
REFER TO MAINTENANCE Remove/install wheels   AP40.10-P-4050SX
2 Unlock and open brake hose clip (3a) Vehicles with code Z07 Top protection, when removing brake hose (3) on the front axle
IMPORTANT Press catch tabs (3b) in the direction of the arrow using a screwdriver and press out upwards out of the brake hose clip (3a).
INSTALLATION NOTES Check that the catch tabs (3b) have engaged correctly, otherwise the brake hose (3) could be damaged as a result of chafing.
 
3 Remove union nut (1) of brake line (2) from brake hose (3) TORQUE SPECIFICATION *BA42.10-P-1001-04K 
SPECIAL TOOL Fig 5
SPECIAL TOOL Fig 8
4 Pull brake hose (3) out of retaining plate (4) IMPORTANT Seal off both line ends immediately with SPECIAL TOOL stop plugs to prevent dirt from entering. The brake fluid expansion reservoir must not run empty.  
SPECIAL TOOL Fig 7
5.1 Unscrew brake hose (3) from brake caliper (5) Vehicles without top protection
IMPORTANT Seal off both line ends immediately with SPECIAL TOOL stop plugs to prevent dirt from entering.
INSTALLATION IMPORTANT Lead front brake hose (3) through bracket (6).
 
TORQUE SPECIFICATION Except model 221.074/077/174/177/179, 216.374/377/379 *BA42.10-P-1002-04K 
TORQUE SPECIFICATION Model 221.074/077/174/177/179, 216.374/377/379 front axle *BA42.10-P-1006-04K 
TORQUE SPECIFICATION Model 221 except
221.074/077/174/177/179, 216 except
216.374/377/379 rear axle
*BA42.10-P-1007-04K 
SPECIAL TOOL Fig 6
SPECIAL TOOL Fig 5
5.2 Unscrew brake hose (3) from T-piece (9) Vehicles with code Z07 Top protection
NOTES When unfastening and tightening the brake hose (3), counterhold the T-piece (9) using an open end wrench, otherwise the brake lines (2) could be damaged.
IMPORTANT Seal off both line ends immediately with SPECIAL TOOL stop plugs to prevent dirt from entering.
 
TORQUE SPECIFICATION *BA42.10-P-1008-04K 
SPECIAL TOOL Fig 6
6 Remove banjo bolts (7) and remove brake hose (8) from brake calipers (5) Model 216.374/377/379, 221.074/077/174/177/179
IMPORTANT Seal line connections immediately with SPECIAL TOOL stop plugs in order to prevent the ingress of dirt. The brake fluid expansion reservoir must not run empty.
INSTALLATION IMPORTANT Replace sealing rings.
 
TORQUE SPECIFICATION *BA42.10-P-1005-04K 
7 Install in the reverse order    
8 Bleed brake system   AR42.10-P-0010SX 
BRAKE LINES, BRAKE HOSES

Number Designation Model 216 except 216.374/377/379 Model 216.374/377/379
BA42.10-P-1001-04K Union nut, brake line to brake hose Nm 17 17
BA42.10-P-1002-04K Brake hose to fixed or floating caliper Nm 18 -
BA42.10-P-1005-04K Banjo bolt, brake hose to front axle floating brake caliper Nm - 38
BA42.10-P-1006-04K Brake hose to front axle floating brake caliper Nm - 22
BA42.10-P-1007-04K Brake hose to rear axle floating caliper Nm - 18
BRAKE LINES, BRAKE HOSES

Number Designation Model 221 except 221.074/077/174/177/179 Model 221.074/077/174/177/179
BA42.10-P-1001-04K Union nut, brake line to brake hose Nm 17 17
BA42.10-P-1002-04K Brake hose to fixed or floating caliper Nm 18 -
BA42.10-P-1005-04K Banjo bolt, brake hose to front axle floating brake caliper Nm - 38
BA42.10-P-1006-04K Brake hose to front axle floating brake caliper Nm - 22
BA42.10-P-1007-04K Brake hose to rear axle floating caliper Nm - 18
BA42.10-P-1008-04K Brake hose to T-piece Nm 18 -
Fig 5: Identifying Box Wrench Bit (000 589 75 03 00)
G07274453Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Ring Wrench (000 589 76 03 00)
G07449602Courtesy of MERCEDES-BENZ USA
Fig 7: Identifying Set Of Stop Plugs (129 589 00 91 00)
G07742724Courtesy of MERCEDES-BENZ USA
Fig 8: Identifying Torque Wrench (001 589 87 21 00)
G07078939Courtesy of MERCEDES-BENZ USA