(Remove/Install Rear Axle Brake Disc - AR42.10-P-0240GG)

Model 461 

with disk brakes on the rear axle 

Model 463 (except 463.234/270/271) 

up to model year 2013 

except code 979 (Special protection MB Guard) 

with disk brakes on the rear axle 

Courtesy of MERCEDES-BENZ USA

	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
	Brake fluid notes		AH42.50-P-0001-01A
	Notes on repairs to brake system		AH42.00-P-0003-01A
	Check
1	Check lining thickness of brake linings and condition of brake discs
		Model 461 Model 463 (except 463.234/270/271) as of model year 2012 up to model year 2013 except code 979 (Special protection MB Guard) with disk brakes on the rear axle	AP42.10-P-4252G
		Model 463 (except 463.234/270/271) as of model year 2012 up to model year 2013 except code 979 (Special protection MB Guard) with disk brakes on the rear axle If the brake linings are worn beyond the permissible wear limit: ↓ Inspect brake system for leaks with pressure tester. The web between the sealing groove and the dust cap (5) may be damaged.	AP42.10-P-4258G
	Remove/install
2	Remove rear axle brake caliper and secure to vehicle free of tension with lines connected		AR42.10-P-0080AA
		Do not tension or kink brake hose. Otherwise the brake hose will be damaged.
3	Remove brake linings
4	Remove brake caliper support (6)	The self-locking bolts must be replaced.
		Model 461 with disk brakes on the rear axle Model 463 (except 463.270/271/272/273) up to model year 2013 with disk brakes on the rear axle Model 463.272/273 up to model year 2013 with disk brakes on the rear axle Self-locking bolt, brake caliper support to rear axle tube	*BA42.10-P-1003-17B
5	Reset parking-brake brake shoes		AR42.20-P-0540GI
6	Remove security bolt and remove brake disc	The security bolt must be replaced.
		Model 461 with disk brakes on the rear axle Model 463 (except 463.270/271) up to model year 2013 with disk brakes on the rear axle Safety screw, brake disc to wheel hub	*BA42.10-P-1001-06B
	Clean
7	Clean and lightly grease contact surface and seat of brake disc	Paste, hot lubrication 1 kg, DBL 6879.20	*BR00.45-Z-1005-06A
8	Install in the reverse order
9	Adjust parking brake		AR42.20-P-0540GI
10	Hydraulic brake system - Check fluid level and correct if necessary
			AP42.50-P-4210G