Remove/install rear axle brake disc - AR42.10-P-0240GG

MODEL 461 with disk brakes on rear axle

MODEL 463 (except 463.270 /271) except CODE (979) Special protection version with disk brakes on rear axle

Fig 1: Identifying Rear Axle Brake Disc Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Checking
	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	Check brake pads for lining thickness and condition of brake disks	If the brake pads are worn beyond the permissible wear limit, the bar between the sealing groove and dust cap may be damaged, for this reason check the brake system for signs of leaks using the pressure tester, refer to: ↓	AP42.10-P-4251G
1		Inspect brake system for leaks with pressure tester.	AR42.10-P-0015GG
	Remove/install
2	Remove rear axle brake caliper	Do not disconnect brake line. Only detach brake caliper and hang up to one side with wire.	AR42.10-P-0080AA
3	Remove brake pads	Installation: Rub the side surfaces of the brake pads lightly with brake pad paste.
3	Remove brake pads	Brake pad paste	*BR00.45-Z-1003-06A
4	Remove brake caliper support (6)	Installation: Replace self-locking bolts.
4	Remove brake caliper support (6)		*BA42.10-P-1003-17B
5	Reset parking-brake brake shoes		AR42.20-P-0540GI
6	Remove security bolt and remove brake disk	Installation: Always replace brake disks in pairs. Apply light coating of MB long-life grease to interference fit of brake disk. Replace security bolt.
			*BA42.10-P-1001-06B
		Long-life grease	*BR00.45-Z-1001-06A
7	Install in the reverse order
8	Adjust parking brake		AR42.20-P-0540GI
9	Hydraulic brake system - check fluid level, correct if necessary		AP42.50-P-4210G

REAR AXLE FLOATING BRAKE CALIPER

Number	Designation		Model 461, 463 except model 463.270/271
BA42.10-P-1003-17B	Self-locking bolt, brake caliper support to rear axle tube	Nm	85

BRAKE DISCS, BRAKE COVER PLATE

Number	Designation		Model 460, 461	Model 463
BA42.10-P-1001-06B	Locking bolt, brake disk to wheel hub	Nm	25	25

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1001-06A	Long-life grease	A 000 989 63 51 11
BR00.45-Z-1003-06A	Brake pad paste replaced by: A 001 989 94 51	A 001 989 10 51