Remove/install brake pads on fixed caliper - AR42.10-P-0161GG

MODEL 460, 461

MODEL 463 up to model year 2013

Fig 1: Fixed Caliper Brake Pads Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Fixed Caliper Brake Pads Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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
	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
	Brake fluid notes		AH42.50-P-0001-01A
	Notes on repairs to brake system		AH42.00-P-0003-01A
1	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.
2	Remove the front wheels
	Remove/install wheels, rotate if necessary		AP40.10-P-4050G
	Check
3	Check the lining thickness of the brake pads (43) and condition of the brake disks	If the brake pads (43) have been worn beyond the permissible wear limit, check brake system using pressure tester for any leaks: ↓
	Check lining thickness of brake pads and condition of brake disks		AP42.10-P-4251G
		MODEL 460, 461	AR42.10-P-0015GG
		Disk brakes on front axle MODEL 463 (except 463.270/271) up to model year 2013 without CODE 979 (Special protection version) Disk brakes on front axle
		Model 463.236/248 with code (979) Special protection version	AR42.10-P-0014GS
4	Detach left front brake pad contact sensor (S10/1) or right front brake pad contact sensor (S10/2) from feed line (52)
5	Drive out retaining pin (41) using a drift (035)	Drive in retaining pin (41) up to end stop.
6	Remove spring steel sheet (41a)
7	Pull out brake pad (43) using extractor (070)	If brake disk, brake pads (43) are worn push back beforehand with pusher tool (031). Brake pads (43) 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 (43) approved by Mercedes-Benz may be installed. Apply thin coating of brake pad paste to side areas (arrows) of brake pads (43).
		Brake pad paste replaced by: A 001 989 94 51	BR00.45-Z-1003-06A
		Resetting device	Figure
		Puller	Fig 5
8	Remove left front brake pad contact sensor (S10/1) or right front brake pad contact sensor (S10/2) and check for signs of damage	Replace faulty contact sensors.
9	Secure pair of opposing brake pistons using plastic wedges to prevent them from slipping out	Wedge	Fig 4
10	Press back the other pair of opposing brake pistons using the pusher tool (031)	Do not bend heat shield. If the brake piston (47) is difficult to move: ↓ Repair fixed brake caliper on front axle.
			AR42.10-P-0150GG
		Resetting device	Figure
11	Remove plastic wedges and push back second pair of brake pistons
	Clean
12	Clean guide of brake pads (43)	Do not damage dust boots. Otherwise dirt may enter the boot whereupon the function will no longer be given.
13	Install in the reverse order
	Check
	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 pressure is built up and maintained in the brake system.	AS42.50-Z-0002-01A
14.1	Press brake pedal several times and check brake system for leaktightness	Except model 463.236/248 with code (979) Special protection version Firm resistance should be noticeable at the brake pedal.
14.2	Inspect braking system for proper operation and leaks	Model 463. 236/248 with code (979) Special protection version
14.2	Inspect braking system for proper operation and leaks		AR42.10-P-0014GS
15	Check fluid level in the brake fluid reservoir, correct if necessary
	Hydraulic brake system - check fluid level, correct if necessary		AP42.50-P-4210G