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Home >> Mercedes Benz >> 2023 >> CLS450 >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brakes - Hydraulic & Mechanical System - 257 Chassis 1 Of 2 >> Testing & Repair >> Remove/Install Rear Axle Brake Caliper Support - AR42.10-P-0221FR

Remove/Install Rear Axle Brake Caliper Support - AR42.10-P-0221FR

Model 257 

Fig 1: Rear Axle Brake Caliper Support Components Location - Model 257
G14548930Courtesy of MERCEDES-BENZ USA
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
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
Notice  Notes on threaded connections fastened using a tightening angle-based tightening process   AH00.00-P-0020-01A
Notice  Notes on repairs to Brake system   AH42.00-P-0003-01A 
Notice  Notes on handling, transport and storage of composite Brake disks   AH42.10-P-9406-12LF 
REMOVING Remove     
1 Remove rear axle Brake pads   AR42.10-P-1710FR 
2 Unscrew bolts (1) and remove Brake caliper support (2)    
INSPECT Check     
3 Check Brake caliper support (2) for damage When reinstalling Brake caliper support (2). If a problem arises

Replace Brake caliper support (2).
 
4 Check guide pins (3, 5) for damage and unobstructed movement When reinstalling Brake caliper support (2).
If a problem arises

Replace Brake caliper support (2).
 
INSTALLING Install     
5 Clean contact surfaces (arrows) on Brake caliper support (2) When reinstalling Brake caliper support (2).  
    NOTES
Do not use sharp-edged or pointed objects. Otherwise, the Brake caliper support (2) will be damaged.
 
    Assembly cleaner *BR00.45-Z-1028-04A 
6 Position Brake caliper support (2) and tighten bolts (1) TORQUE SPECIFICATION Bolt, Brake caliper/ Brake caliper support to wheel carrier *BA42.10-P-1001-12W 
7 Install brakepads on rear axle   AR42.10-P-1710FR 
REAR AXLE BRAKE CALIPER

Number Designation Model 257
BA42.10-P-1001-12W Bolt, Brake caliper/ Brake caliper support to wheel carrier Stage 1 Nm 60
Stage 2 ∠° 45
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1028-04A Assembly cleaner A 000 986 56 01