Remove/Install Front Axle Brake Caliper - AR42.10-P-0070RG

Model 190 

except code B07 (AMG - ceramic brake system) 

Courtesy of MERCEDES-BENZ USA

Shown here by way of an example with code B07 (AMG - Ceramic brake system) 

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 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
Notice	Notes on working in engine compartment		AH60.00-P-0042-01RG
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 handling, transport and storage of composite brake disks		AH42.10-P-9406-12LF
	Notes on installing brake wear indicator contact sensors		AH42.10-P-0003-01RG
	Remove/install
1	Open hood.		AR88.40-P-1000RG
2	Unscrew cap of brake fluid reservoir and suction off some brake fluid.	This prevents the brake fluid reservoir overflowing when the brake piston is pushed back.
3	Remove front wheel and tire assemblies.		AR40.10-P-1100RQ
4	Remove brake linings (6).		AR42.10-P-1610RG
5	Remove screw (9), disconnect electrical connector for brake lining wear sensor (S10/2x1) and remove from brake caliper (1).	When removing brake caliper (1) on right side of vehicle.
		Bolt, brake wear indicator to brake caliper	*BA42.10-P-1002-10T
6	Press back brake pistons with pusher tool.	Resetting device	Fig 1
		If the brake pistons are sluggish, ↓ replace brake caliper (1).
7	Remove brake hose (10) on brake caliper (1).		AR42.10-P-0013RG
8	Unscrew screws (7) and remove brake caliper (1).	Replace screws (7).
		Bolt, fixed brake caliper to wheel carrier	*BA42.10-P-1001-10T
	Check
9	Check brake caliper (1) and dust boots of brake pistons for leak tightness and damage.	If there is a problem, ↓ replace brake caliper (1).
10	Check condition of brake linings (6) and measure degree of wear.	If necessary, replace brake linings.
			AP42.10-P-4252A
11	Check brake hose (10) and brake line piece (99) for damage.	The brake line piece (99) of the brake hose (10) must not be bent. A bent brake line piece (99) can lead to functional impairment of the brake system.
		If there is a problem, ↓ replace brake hose (10).	AR42.10-P-0013RG
	Clean
12	Clean contact surfaces of brake linings (6) on brake caliper (1).	Do not use sharp-edged or pointed objects. The dust boots can otherwise be damaged.
13	Install in the reverse order.
	Check
14	Bleed brake system.		AR42.10-P-0010RG
15	Check brake system for leaks.		AR42.10-P-0100-01V
16	Perform brake test on test stand.
			AP42.00-P-4290BA

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

Courtesy of MERCEDES-BENZ USA