Remove/Check/Install Front Axle Brake Pads - AR42.10-P-1610S

Model 223 

except code B06 (Silver brake calipers) 

except code B07 (AMG - ceramic brake system) 

except code U70 (red-painted brake callipers) 

except code Z07 (B7 armoring on special protection version) 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	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
	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 handling, transport and storage of composite brake disks		AH42.10-P-9406-12LF
Notice	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
Notice	Brake fluid notes		AH42.50-P-0001-01A
Notice	Notes on repairs to brake system		AH42.00-P-0003-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove/install
1	Remove cover over brake fluid reservoir.
2	Clean area around cap of brake fluid reservoir	Assembly cleaner	*BR00.45-Z-1028-04A
3	Remove cap of brake fluid reservoir and suction off some brake fluid.	This prevents the brake fluid reservoir from overflowing when the brake pistons are pushed back.
4	Remove front wheels.		AR40.10-P-1102A
5	Disconnect electrical connector (2) of brake lining wear sensor from brake caliper (3).	Only when removing right brake caliper (3).
6	Remove electrical connector (2) from brake caliper (3).	Model 223 (except 223.182) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) except code U70 (red-painted brake callipers) except code Z07 (B7 armoring on special protection version) Model 223.182 except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) except code U70 (red-painted brake callipers) except code Z07 (B7 armoring on special protection version) Bolt, brake wear sensor to brake caliper	*BA42.10-P-1004-10CA
7	Remove brake hose (4) from holder.
8	Remove screws (1).	Model 223 (except 223.182) except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) except code U70 (red-painted brake callipers) except code Z07 (B7 armoring on special protection version) Model 223.182 except code B06 (Silver brake calipers) except code B07 (AMG - ceramic brake system) except code U70 (red-painted brake callipers) except code Z07 (B7 armoring on special protection version) Bolt, brake caliper to steering knuckle	*BA42.10-P-1001-10CA
9	Remove brake caliper (3) and secure to vehicle free of tension.
10	Remove brake linings (5) with spreader spring (6) from brake caliper (3).
11	Pull brake lining wear sensor out of backing plate of brake lining (5).	When replacing brake lining (5) or right front brake lining wear sensor.
	Check
12	Check condition of spreader spring (6).	If there is a problem, ↓ replace spreader spring (6).
13	Check brake linings (5) for wear and condition.
		If there is a problem, ↓ replace brake linings (5) as a set.	AP42.10-P-4252HH
14	Check condition of brake disk.
		If there is a problem, ↓ replace brake disks and brake linings (5) in sets.	AP42.10-P-4256A
			AR42.10-P-0240S
15	Check brake caliper (3) for damage.	If there is a problem, ↓ replace brake caliper (3).
			AR42.10-P-0070S
	Clean
16	Clean contact surfaces of brake linings (5) on brake caliper (3).	Do not use sharp-edged or pointed objects. Otherwise the brake caliper (3) and the dust boot on the brake piston may be damaged.
		Assembly cleaner	*BR00.45-Z-1028-04A
17	Press back brake pistons all the way using pusher tool.	Resetting device If the brake pistons are sluggish, ↓ replace brake caliper (3).	Fig 1
			AR42.10-P-0070S
18	Install in the reverse order.
19	Operate brake pedal several times until brake linings (5) make contact with brake disks.	Firm resistance should be noticeable at the brake pedal.
	Check
20	Check/correct brake fluid level in brake fluid reservoir.
			AP42.10-P-4210G
21	Perform brake test on test stand.
			AP42.00-P-4290BS

Fig 1: Identifying Resetting Device (000 589 52 43 00)

Courtesy of MERCEDES-BENZ USA