Replacing and installing brake pads - AR42.10-P-0170GWH

MODEL 463 as of model year 2013/model refinement package 2012 

Fig 1: Brake Pads Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake fluid coming into contact with skin and eyes	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
	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 engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system.	AS42.50-Z-0002-01A
	Brake fluid notes		AH42.50-P-0001-01A
	Notes on repairs to brake system		AH42.00-P-0003-01A
1	Open engine hood		AR88.40-P-1000GG
2	Unscrew cap of brake fluid reservoir and extract some brake fluid	In order to prevent the brake fluid reservoir from overflowing when pressing back the brake pistons.
3	Lift/jack up vehicle		AR00.60-P-1000G
4	Remove rear wheels		AP40.10-P-4050G
	Checking
5	Check brake pads (1) and brake disks (2)	If necessary, always replace brake pads (1) and brake disks (2) as a set.
		Brake pad wear limit	*BE42.10-P-1001-10A
6	Detach electrical connection from right rear brake wear sensor (S10/4)	When removing the brake pads (1) on the right-hand side of the vehicle
7	Detach retaining spring from brake caliper
8	Pry off and remove protective caps (3) from boots (4)
9	Remove guide bolts		*BA42.10-P-1002-17B
10	Remove brake caliper (5)	Do not subject brake hoses (6) to tensile loads or kink. To relieve the load on the brake hose (6), fasten the brake caliper (5) to the vehicle free of tension. Otherwise, the brake hose (6) will be damaged.
11	Take out brake pads (1)	Brake pads (1) are to be disposed of as special waste. The local authorities can provide information regarding whether disposal is also permitted as industrial waste similar to domestic waste. Only complete sets of brake pads (1) approved by Mercedes-Benz may be installed. Insert inner brake pad (1) with riveted-on spring in brake piston. Insert outer brake pad (1) into brake caliper support (7) and mount brake caliper (5). Do not  apply any brake pastes or lubricants to brake pads (1) or brake calipers (5)!
12	Pull right rear brake wear sensor (S10/4) out of brake pad (1)	When removing the brake pads (1) on the right-hand side of the vehicle Replace defective or seized right rear brake wear sensor (S10/4).
	Checking
13	Check brake caliper (5) for leaks	In the event of leaks: ↓
		Replace brake caliper (5).	AR42.10-P-0080GW
14	Check dust boots of brake piston	Check dust boots for damage and correct seating, if necessary: ↓
		Replace brake caliper (5).	AR42.10-P-0080GW
15	Press back brake piston using resetting device	Do not position pusher tool on brake disk (2). Otherwise the brake system will be damaged.
			Figure
			Figure
		If the brake pistons are sluggish, brake caliper (5) must be replaced: ↓
		Replace brake caliper (5).	AR42.10-P-0080GW
	Clean
16	Clean the contact surfaces of the brake pads (1) in the brake caliper (5) with a rag	While doing so, do not damage the dust boots on the brake piston. Do not use sharp-edged or pointy tools. Otherwise, the brake caliper (5) will be damaged.
		Cleaner from package	*BR00.45-Z-1028-04A
17	Install in the reverse order
18	Operate brake pedal several times until the brake pads (1) make contact with the brake disks (2) and a firm resistance is noticeable
	Checking
19	Correct fluid level in brake fluid reservoir
20	Check function and effectiveness of brake system

Fig 2: Identifying Pusher Tool (000 589 52 43 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Wedge (601 589 07 63 00)

Courtesy of MERCEDES-BENZ USA