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Home >> Mercedes Benz >> 2018 >> GLS63 AMG >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes - Hydraulic & Mechanical System - 166 Chassis 1 Of 2 >> Testing & Repair >> Remove/Install Front Axle Brake Caliper - AR42.10-P-0070GZ

Remove/Install Front Axle Brake Caliper - AR42.10-P-0070GZ

Model 164, 166, 292 

Shown on model 164.175 

Fig 1: Front Axle Brake Caliper Components Location - Model 166 (Shown On Model 164.175)
G14238098Courtesy of MERCEDES-BENZ USA

Shown on model 166.074 

G14238099Courtesy of MERCEDES-BENZ USA
DANGER 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 
DANGER Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
NOTES Notes on repairs to brake system   AH42.00-P-0003-01A 
NOTES Brake fluid notes   AH42.50-P-0001-01A 
  Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
IMPORTANT Notes on installing brake wear indicator contact sensors Model 164 AH42.10-P-0003-01GZ
IMPORTANT Notes on installing brake wear indicator contact sensors Model 166, 292 AH42.10-P-0003-01CW 
REMOVINGINSTALLING Remove/install     
1 Detach corresponding complete wheel Model 292 AR40.10-P-1100GQC
REFER TO MAINTENANCE   Model 164 AP40.10-P-4050Z
REFER TO MAINTENANCE   Model 166 AP40.10-P-4050EW
2.1 Unscrew bolt (2) Model 164, 166 (except 166.074/874), 292 (except 292.374/375)
On vehicles with brake wear sensor.
 
    TORQUE SPECIFICATION Screw/bolt, brake lining contact sensor to brake caliper *BA42.10-P-1004-10L 
2.2 Remove bolt (31e) Model 166.074/874, 292.374/375  
    TORQUE SPECIFICATION Screw/bolt, brake lining contact sensor to brake caliper *BA42.10-P-1004-10L 
3 Remove brake linings Model 164 AR42.10-P-0160GZ
    Model 166.074/874, 292.374/375 AR42.10-P-1610GQA 
    Model 166 (except 166.074/874), 292 (except 292.374/375) AR42.10-P-1600GQ 
4 Detach brake hose (3)   AR42.10-P-0013GZ 
5 Seal exposed connections on brake caliper (1, 31a) and brake hose (3) NOTES Seal connections immediately. Otherwise damage can be caused by escaping brake fluid.  
    SPECIAL TOOL Record plug Fig 2
6.1 Unscrew bolts (4) and remove brake caliper support (5) Model 164, 166 (except 166.074/874), 292 (except 292.374/375)
INSTALLATION IMPORTANT Bolts (∠) must be replaced.
 
    TORQUE SPECIFICATION Self-locking bolt, brake caliper support to steering knuckle *BA42.10-P-1003-10L 
6.2 Remove bolts (35) and remove brake caliper (31a) Model 166.074/874, 292.374/375
INSTALLATION IMPORTANT Bolts (35) must be replaced.
 
    TORQUE SPECIFICATION Self-locking bolt, brake caliper support to steering knuckle *BA42.10-P-1003-10L 
7 Install in the reverse order    
8 Bleed brake system Model 164 AR42.10-P-0010GZ
    Model 166, 292 AR42.10-P-0010CW 
9 Perform brake test    
REFER TO MAINTENANCE     AP42.00-P-4290BA
FRONT AXLE BRAKE CALIPER

Number Designation Model 164 (except 164.177) Model 164.177
BA42.10-P-1003-10L Self-locking bolt, brake caliper support to steering knuckle Stage 1 Nm 80 80
Stage 2 ∠° 45 45
FRONT AXLE BRAKE CALIPER

Number Designation Model 166 Model 292
BA42.10-P-1003-10L Self-locking bolt, brake caliper support to steering knuckle Stage 1 Nm 80 80
Stage 2 ∠° 45 45
FRONT AXLE BRAKE CALIPER

Number Designation Model 164 (except 164.177) Model 164.177
BA42.10-P-1004-10L Screw/bolt, brake lining contact sensor to brake caliper M6 Nm 8 8
FRONT AXLE BRAKE CALIPER

Number Designation Model 166 Model 292
BA42.10-P-1004-10L Screw/bolt, brake lining contact sensor to brake caliper M6 Nm 8 8
Fig 2: Identifying Record Plug (129 589 00 91 00)
G14238100Courtesy of MERCEDES-BENZ USA