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

Model 167 

with code B06 (Silver brake calipers) 

Model 167 

with code B07 (AMG - ceramic brake system) 

Model 167 

with code U29 (AMG high-performance braking system) 

Model 167 

with code U70 (red-painted brake callipers) 

Fig 1: Front Axle Brake Pads Components Location - Model 167 With Code B06 ; B07; U29; U70

Courtesy of MERCEDES-BENZ USA

	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
	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
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
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
Notice	Notes on handling, transport and storage of ceramic brake disks		AH42.10-P-9406-13A
	Notes on installing brake wear indicator contact sensors		AH42.10-P-0003-01CW
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove
1	Detach brake caliper (4) and fasten to vehicle free of tension with lines connected.		AR42.10-P-0070MEX
2	Unhook electrical line of right front brakepad wear sensor (S10/2) from brake caliper (4).	When removing the brake pads (1) on the right side of the vehicle.
3	Remove brake pads (1) together with spreader spring (3).
4	Pull right front brakepad wear sensor (S10/2) out of brakepad (1).	When replacing the brake pads (1) or when replacing the right front brakepad wear sensor on the right side of the vehicle (S10/2).
	Check
5	Check bolts (2) and spreader springs (3) for damage and condition.	If there is a problem, ↓ replace bolts (2) or spreader springs (3).
6	Check brake pads (1) for wear and condition.
			AP42.10-P-4252J
		If there is a problem, ↓ Replace brake linings (1). Always replace all the brake pads (1) on the axle at the same time.
7.1	Check brake disks for wear and condition.	Model 167 with code B07 (AMG - ceramic brake system)	AR42.10-P-0270RG
		If there is a problem, ↓ replace corresponding brake disk.
		Only brake disks approved by Mercedes-Benz may be installed. Always replace all the brake disks on the axle at the same time.	AR42.10-P-0230MEA
7.2	Check brake disks for wear and condition.	Model 167 with code B06 (Silver brake calipers) Model 167 with code U29 (AMG high-performance braking system) Model 167 with code U70 (red-painted brake callipers)
			AP42.10-P-4256EW
		If there is a problem, ↓ Replace brake disks.
		Only brake disks approved by Mercedes-Benz may be installed. Always replace all the brake disks on the axle at the same time.	AR42.10-P-0230MEA
8	Check brake caliper (4) for damage and leak tightness.	If there is a problem, ↓ Replace brake caliper (4).
			AR42.10-P-0070MEX
	Clean
9	Clean contact surfaces of brake pads (1) on brake caliper (4).	Do not use sharp-edged or pointed objects. Otherwise, the dust boots or the brake caliper (4) may be damaged.
		Assembly cleaner	*BR00.45-Z-1028-04A
	Install
10	Push back brake pistons.	Resetting device If the brake piston is sluggish, ↓ Replace brake caliper (4).	Fig 2
			AR42.10-P-0070MEX
11	Install right front brakepad wear sensor (S10/2) into brakepad (1).	When replacing the brake pads (1) or when replacing the right front brakepad wear sensor on the right side of the vehicle (S10/2).
12	Insert spreader spring (3) into brake caliper (4).
13	Insert brake pads (1) into brake caliper (4) and fix with bolts (2).	Do not apply brake paste or lubricants to the brake pads (1) and brake calipers (4). Otherwise malfunctions will occur. Only install Mercedes-Benz approved brake pads (1) in sets. Observe installation position of brake pads (1).
14	Hook electrical line of right front brakepad wear sensor (S10/2) into brake caliper (4).	When installing the brake pads (1) on the right side of the vehicle.
15	Install brake caliper (4) together with brake pads (1).		AR42.10-P-0070MEX
		Always install bolts (2) first before mounting front wheel and tire assemblies.
16	Drive in bolts (2) up to end stop.	Make sure that the spreader spring (3) is seated correctly.
17	Mount front wheel and tire assemblies.		AR40.10-P-1102ME
	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
18	Operate brake pedal several times until the brake pads (1) make contact with the brake disks.	Firm resistance should be noticeable at the brake pedal.
19	Check brake fluid level, correct if necessary.
			AP42.10-P-4210E
20	Perform brake test on test stand.
			AP42.00-P-4290BA

Fig 2: Identifying Resetting Device (000 589 52 43 00)

Courtesy of MERCEDES-BENZ USA