Remove/install brake disc - AR42.10-P-0220W

MODEL 172 (except 172.466/475) 

Shown on front axle with split brake caliper support 

Fig 1: Identifying Brake Disc Remove/Install Components - Shown On Front Axle

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1.1	Remove brake caliper support (1) at front axle	When removing front brake disk.
		Model 172 (except 172.466/475) With single-piece brake caliper support	AR42.10-P-0070W
		Model 172 (except 172.466/475) With split brake caliper support Hang the brake caliper to one side with the brake hose still connected and secure to prevent it from falling down so that the brake hose is not subject to mechanical tension or twisted.	AR42.10-P-0070WA
1.2	Remove brake caliper support at rear axle	When removing rear brake disk.
			AR42.10-P-0080W
		Hang the brake caliper to one side with the brake hose still connected and secure to prevent it from falling down so that the brake hose is not subject to mechanical tension or twisted.
2	Remove safety screw (2) and take off brake disk (3)	Locking bolt of front axle brake disk	*BA42.10-P-1002-06A
		Locking bolt of rear axle brake disk	*BA42.10-P-1001-06A
	Clean
3	Clean contact surface and interference fit of brake disk (3)
4	Lightly grease interference fit of brake disk (3)	Paste, hot lubrication 1 kg, DBL 6879.20	*BR00.45-Z-1005-06A
	Clean
5	Check condition of brake disk (3) and measure degree of wear; replace if necessary
			AP42.10-P-4258V
6	Install in the reverse order