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Home >> Mercedes Benz >> 2009 >> E550 Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- Location, Removal & Installation -- E550 (211.072) >> Basic Knowledge >> Remove/install front axle brake caliper - AR42.10-P-0070R

Remove/install front axle brake caliper - AR42.10-P-0070R

MODEL 211.026 up to 31.8.03, 

211.028/029/056, 

211.065 up to 31.8.03, 

211.070/072/223/226/256/265/270/272/616/620 

MODEL 211.041/241 

with CODE (950) EVOLUTION AMG sport package 

with CODE (952) Sport package 

MODEL 230.454/456/458/467/471/475 

MODEL 211.252/254 

except CODE (494) California version 

except CODE (498) Japan version 

except CODE (625) Australia version 

MODEL 211.052/054 

with CODE (950) EVOLUTION AMG sport package 

with CODE (952) Sport package 

MODEL 211.057/257 except CODE (494) California version 

MODEL 211.024 

with CODE (Z04) Light armoring 

with CODE (950) EVOLUTION AMG sport package 

with CODE (952) Sport package 

Fig 1: Identifying Front Axle Brake Caliper Components
G07502633Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Remove/install     
DANGER Risk of injury  caused by body parts being jammed or crushed. Risk of injury  to skin and eyes caused by brake fluid spraying out at high pressure when working on the SBC brake system Deactivate SBC brake system using STAR DIAGNOSIS. AS42.46-Z-0001-01A 
NOTES Notes on repairs to brake system   AH42.00-P-0003-01A
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
1 Deactivate SBC brake system using STAR DIAGNOSIS. Vehicles with Sensotronic Brake Control (SBC)  
    IMPORTANT The following steps should be run through in STAR DIAGNOSIS:  
    Select menu item "SBC Sensotronic Brake Control"/"Deactivate 'SBC' system".  
    Then process all the individual steps from top to bottom.  
2 Remove brake hose (51) Model 211 AR42.10-P-0013T 
    Model 230 AR42.10-P-0013R
3 Remove brake pads   AR42.10-P-1600R 
4 Detach connector (S10/1x1, S10/2x1) from fixed brake caliper (31a) TORQUE SPECIFICATION *BA42.10-P-1003-10H 
    TORQUE SPECIFICATION *BA42.10-P-1003-10B 
5 Remove bolts (35) and remove fixed caliper (31a) TORQUE SPECIFICATION *BA42.10-P-1001-10H 
    TORQUE SPECIFICATION *BA42.10-P-1001-10B 
6 Install in the reverse order    
7.1 Bleed SBC brake system using STAR DIAGNOSIS Vehicles with Sensotronic Brake Control (SBC) AR42.10-P-0012R 
    IMPORTANT When performing the bleeding operation always observe the instructions in the document "Bleeding brake system using STAR DIAGNOSIS".  
    IMPORTANT The following steps should be run through in STAR DIAGNOSIS:  
    Select menu item "Initial startup after repair"/"Exchanging brake calipers".  
    Then process all the individual steps from top to bottom.  
7.2 Bleed brake system Vehicles without Sensotronic Brake Control (SBC) AR42.10-P-0010T 
FRONT AXLE BRAKE CALIPER

Number Designation       Model 211 except model 211.076/077/276/277
BA42.10-P-1001-10H Self-locking bolt, brake caliper to steering knuckle M12   Nm 115
  M14 Stage 1 Nm 80
      Stage 2 ∠° 45
BA42.10-P-1003-10H Bolt, brake pad contact sensor to brake caliper     Nm 8
FRONT AXLE BRAKE CALIPER

Number Designation   Model 230.454/456/458/467/475, Model 230.471 with code 494 Model 230.470/472/474/476/477/model 230.479 without code P99 model 230.471 without code 494
BA42.10-P-1001-10B Self-locking bolt, brake caliper to steering knuckle Nm 115 180
BA42.10-P-1003-10B Bolt, brake pad contact sensor to brake caliper Nm 8 8