Remove/check/install front axle brake pads - AR42.10-P-1610LWD

MODEL 205 

with CODE U70 (red-painted brake callipers) 

except CODE B06 (grey-painted brake callipers) 

except CODE B07 (Ceramic brake system) 

6-piston fixed-caliper brake 

MODEL 213 

with CODE U70 (red-painted brake callipers) 

except CODE B06 (grey-painted brake callipers) 

except CODE B07 (Ceramic brake system) 

6-piston fixed-caliper brake 

Fig 1: Front Axle Brake Pads Remove/Install Components

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 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 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
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on repairs to brake system		AH42.00-P-0003-01A
	Brake fluid notes		AH42.50-P-0001-01A
	Notes on handling transport and storage of composite brake disks		AH42.10-P-9406-12LF
	Notes on installing brake wear indicator contact sensors	Model 213 with code U70 (red-painted brake callipers) except code B06 (grey-painted brake callipers) except code B07 (Ceramic brake system) 6-Piston Fixed caliper brake	AH42.10-P-0003-01LWE
	Notes on installing brake wear indicator contact sensors	Model 205 with code U70 (red-painted brake callipers) except code B06 (grey-painted brake callipers) except code B07 (Ceramic brake system) 6-Piston Fixed caliper brake	AH42.10-P-0003-01CW
	Remove/install
1	Open service flap above expansion reservoir for brake fluid
2	Clean area around cap on expansion reservoir for brake fluid	Assembly cleaner	*BR00.45-Z-1028-04A
3	Unscrew the cap on the brake fluid expansion reservoir and suction off some brake fluid	This prevents the expansion reservoir overflowing when the brake piston is pushed back.
4	Remove front wheels		AR40.10-P-1101A
5	Disconnect right front brake wear sensor electrical connection
6	Remove bolt (6) and take off support (7)
7	Use punch to pound out pin (5) and remove retaining spring (8)	Pound in pin (5) up to end stops. Check retaining spring (8) is correctly seated.
8	Press back brake piston slightly using resetting device	Attach pusher tool to the elevations of the brake linings (3). Resetting device	Figure
9	Remove brake linings (3)	Only complete sets of brake linings (3) approved by Mercedes-Benz may be installed. Do not apply brake paste or lubricants to the brake linings (3) and brake calipers (1).
	Check
10	Check pin (5), support (7) and retaining spring (8) for damage and condition	If there are problems ↓ Replace pin (5) or support (7) or retaining spring (8)
11	Check brake linings (3) for wear and condition
		Model 205 with code U70 (red-painted brake callipers) except code B06 (grey-painted brake callipers) except code B07 (Ceramic brake system) 6-piston fixed-caliper brake	AP42.10-P-4252CAA
		Model 213 with code U70 (red-painted brake callipers) except code B06 (grey-painted brake callipers) except code B07 (Ceramic brake system)6-piston fixed-caliper brake In event of damage or excessive wear ↓ Replace brake linings (3) Replace brake linings (3) as a complete set only.	AP42.10-P-4252E
12	Check brake disk for wear and condition
		In event of damage or excessive wear ↓ Replace brake disc	AP42.10-P-4256EW
		Replace brake disks as a complete set only.	AR42.10-P-0220EWE
13	Check brake caliper (1) and dust boots of brake piston for leaktightness and damage	If there are problems ↓ Replace brake caliper (1)	AR42.10-P-0070LWD
14	Press back brake piston using resetting device	Secure remaining brake pistons using two wedges against slipping out.
		Resetting device	Figure
		Wedge With sluggish brake pistons ↓ Replace brake caliper (4)	Figure
			AR42.10-P-0070LWD
	Clean
15	Clean contact surfaces of brake linings (3) on brake caliper (1) and on brake pistons	Do not use sharp-edged or pointed objects. The brake caliper (1) or the dust boots of the brake pistons can otherwise be damaged. Assembly cleaner	*BR00.45-Z-1028-04A
16	Pull right front brake wear sensor out of pad backing plate of brake lining (3)	When replacing the brake linings (3) or replacing the right front brake wear sensor
17	Install in the reverse order
18	Operate the brake pedal several times until brake linings (3) contact the brake disks	Firm resistance should be noticeable at the brake pedal.
	Check
19	Check/correct brake fluid level in expansion reservoir
		Model 205 with code U70 (red-painted brake callipers) except code B06 (grey-painted brake callipers) except code B07 (Ceramic brake system)6-piston fixed-caliper brake	AP42.10-P-4210CAA
		Model 213 with code U70 (red-painted brake callipers) except code B06 (grey-painted brake callipers) except code B07 (Ceramic brake system) 6-piston fixed-caliper brake	AP42.10-P-4210B
20	Carry out brake test on the test stand
			AP42.00-P-4290BA

Fig 2: Identifying Wedge (601 589 07 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Resetting Device (000 589 52 43 00)

Courtesy of MERCEDES-BENZ USA