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Home >> Mercedes Benz >> 2021 >> GT 53 AMG >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brakes -- Hydraulic & Mechanical System (1 Of 2) -- 290 Chassis >> Testing & Repair >> Remove/Install Brake Caliper >> Remove/Install Front Axle Brake Caliper - AR42.10-P-0070FRK

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

Model 290 

with code B07 (AMG - ceramic brake system) 

except code ME10 (Hybrid vehicle (plug-in, PHEV)) 

MODIFICATION NOTES

16.03.2022 If there is a problem, replace corresponding brake disk. Operation step 5.  

Shown on left side of vehicle 

G16553793Courtesy 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 
WARNING 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
CAUTION Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
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 self-locking nuts and bolts   AH00.00-P-0001-01KOA
Notice  Notes on handling, transport and storage of composite brake disks   AH42.10-P-9406-12LF 
Notice  Notes on repairs to brake system   AH42.00-P-0003-01A 
Notice  Notes on handling, transport and storage of ceramic brake disks   AH42.10-P-9406-13A 
Notice  Brake fluid notes   AH42.50-P-0001-01A 
  Notes on safety-relevant components   AH00.00-Z-0019-01A
REMOVINGINSTALLING Remove/install     
1 Remove brake hose (3).   AR42.10-P-0026FR 
2 Remove electrical connector of front right brake lining wear sensor at brake caliper (1). Only when removing right brake caliper (1).  
    TORQUE SPECIFICATION Bolt, brake wear sensor to brake caliper *BA42.10-P-1002-10BA 
3 Remove brake pads (2) and brake caliper (1).   AR42.10-P-1610FRK 
    INSTALLATION IMPORTANT
The new brake caliper (1) is shipped in prefilled condition and it may not be drained.
Otherwise the brake caliper (1) cannot be vented.
 
INSPECT Check     
4 Check brake caliper (1) and dust boots of brake pistons for leak tightness and damage. If there is a problem,

Replace brake caliper (1).
 
5 Check brake disk for wear and condition. If there is a problem,

replace corresponding brake disk.
AR42.10-P-0120FRX 
      AR42.10-P-0230FRK 
6 Install in the reverse order.    
  Concluding tasks     
7 Bleed brake system.   AR42.10-P-0010FR 
8 Operate brake pedal several times until the brake pads (2) make contact with the brake disks. IMPORTANT Firm resistance should be noticeable at the brake pedal.  
9 Check and correct brake fluid level in brake fluid reservoir.    
REFER TO MAINTENANCE     AP42.10-P-4210B
DANGER Risk of death  caused by limbs being caught or crushed by rotating parts when performing tests on the brake test stand Never leave the vehicle unattended on the rollers except in an emergency. Ensure that no one is under the vehicle or near rotating parts during testing. In case of emergency, use the EMERGENCY OFF switch to shut down test stand. AS42.00-Z-0001-01A 
10 Perform brake test on test stand.    
REFER TO MAINTENANCE     AP42.00-P-4290BA
FRONT AXLE BRAKE CALIPER

Number Designation Model 290
BA42.10-P-1002-10BA Bolt, brake wear sensor to brake caliper Nm 8