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Home >> Mercedes Benz >> 2012 >> S550 Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - 221 Chassis - 2 Of 3 >> Testing & Repair >> Remove/install brake disc - AR42.10-P-0220SX

Remove/install brake disc - AR42.10-P-0220SX

MODEL 216 

MODEL 221 

Fig 1: Identifying Brake Disc Remove/Install Components (1 Of 2)
G10110366Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Brake Disc Remove/Install Components (2 Of 2)
G10110367Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Brake Disc Remove/Install Components
G10110368Courtesy of MERCEDES-BENZ USA
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 Notes on repairs to brake system   AH42.00-P-0003-01A
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Release parking brake Only if removing brake disk (1) on rear axle  
2 Remove wheels    
REFER TO MAINTENANCE     AP40.10-P-4050SX
CLEAN Clean     
3 Clean electrical connector (A) and its surroundings on control unit (A13) Only if removing brake disk (1) on rear axle  
4 Release and detach electrical connector (A) on controller unit (A13) Only if removing brake disk (1) on rear axle  
5 Remove bolt (6a) and pull rpm sensor (L6/1 or L6/2) with bracket (6b) out of steering knuckle (7) MODEL 216 (except 216.379)
MODEL 221 (except 221.179)
Only if removing brake disk (1) on front axle
 
AR42.30-P-0712SX 
6 Remove brake pads MODEL 216, 221With fixed-caliper brake AR42.10-P-0161SX
MODEL 216, 221With floating caliper brake AR42.10-P-0160SX
7.1 Detach brake caliper support (2) from wheel carrier (10) or steering knuckle (7) MODEL 216, 221with floating caliper brake  
MODEL 216, 221On front axle AR42.10-P-0070SX
MODEL 216, 221at rear axle AR42.10-P-0080SX
7.2 Detach brake caliper (8) from steering knuckle (7) or wheel carrier (10) MODEL 216
With fixed-caliper brake MODEL 221
without CODE Z07 (Top protection) With fixed-caliper brake
 
MODEL 216
On front axle MODEL 221
without CODE Z07 (Top protection) On front axle
AR42.10-P-0070SX
MODEL 216
at rear axle MODEL 221
without CODE Z07 (Top protection) at rear axle
NOTES
Fasten the brake caliper (8) to the vehicle with hook. The brake hose (9) may not be pulled or kinked.
Otherwise it will be damaged.
IMPORTANT Do not detach brake hose (9).
AR42.10-P-0080SX
7.3 Remove both brake calipers (8) MODEL 221
with CODE Z07 (Top protection) On front axle
 
AR42.10-P-0070SX
INSPECT Check     
8 Check brake lining thickness    
REFER TO MAINTENANCE     AP42.10-P-4253A 
    IMPORTANT Replace brake pads as sets only, if necessary.  
9 Check brake disks (1) for wear    
REFER TO MAINTENANCE     AP42.10-P-4258SX
    INSTALLATION IMPORTANT Replace brake disks (1) as set only, if necessary.  
10 Remove locking bolt (3) and remove brake disk (1) NOTES
If the parking brake drums are worn, turn back the adjusting mechanism (4) of the parking brake beforehand.
Otherwise, the brake shoes (5) will be damaged.
 
TORQUE SPECIFICATION Safety bolt, rear axle brake disk to flange *BA42.10-P-1001-06G 
TORQUE SPECIFICATION Locking bolt, brake disk of front axle to wheel hub
Refer to:
↓
Adjust parking brake
*BA42.10-P-1002-06G 
  AR42.20-P-0540SX 
CLEAN Clean     
11 Clean the contact surfaces (1a, 1b) and snug fit (1c) of brake disk (1) if necessary    
12 Grease the snug fit (1c) of the brake disk (1) slightly Paste, hot lubrication 1 kg, DBL 6879.20 *BR00.45-Z-1005-06A 
INSPECT Check     
13 Check condition of brake shoes (5) on parking brake for wear If necessary:
↓
Replace parking brake shoes.
 
AR42.20-P-0530SX 
14 Install in the reverse order    
15 Adjust parking brake After installing brake disks (1) on rear axle  
AR42.20-P-0540SX 
16 Carry out brake test on the test stand    
REFER TO MAINTENANCE     AP42.00-P-4290BA 
BRAKE DISKS, BRAKE COVER PLATE

Number Designation MODEL 216 MODEL 221
BA42.10-P-1001-06G Safety bolt, rear axle brake disk to flange Nm 10 10
BRAKE DISKS, BRAKE COVER PLATE

Number Designation MODEL 216 MODEL 221
BA42.10-P-1002-06G Locking bolt, brake disk of front axle to wheel hub Nm 10 10
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1005-06A Paste, hot lubrication 1 kg, DBL 6879.20 A 000 989 76 51