Remove/Install Brake Hoses At Rear Axle - AR42.10-S-0025E

Model 447, 448 

Shown Except Code XM7 (Facelift II) 

Courtesy of MERCEDES-BENZ USA

Shown With Code XM7 (Facelift II) 

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 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 repairs to brake system		AH42.00-P-0003-01A
Notice	Notes on installing brake hoses		AH42.10-P-9406-01A
Notice	Brake fluid notes		AH42.50-P-0001-01A
	Notes on inspecting corrosion on brake lines		AH42.50-Z-0002-01A
	Remove
1	Raise vehicle.		AR00.60-S-1000E
2	Unhook brake hose (3).	Model 447, 448 except code XM7 (MOPF II) Unhook brake hose (3) from holder (4) on semi-trailing arm. Model 447, 448 with code XM7 (MOPF II) Unhook brake hose (3) from holder (5).
3	Remove brake hose (3) from brake line (1) and seal connections using suitable stop plugs.	Seal connections immediately. The brake fluid reservoir will otherwise drain completely. Collect brake fluid which runs out in a suitable container. Record plug	Fig 1
4	Remove brake hose (3) from brake caliper (2) and seal connections using suitable stop plugs.	Seal connections immediately. Otherwise, penetrating dirt can damage the brake caliper (2). Record plug	Fig 1
5	Clean brake caliper (2) and any areas soiled by escaping brake fluid.	Assembly cleaner	*BR00.45-Z-1028-04A
	Check
6	Check brake hose (3) for damage.	If damage exists, ↓ replace brake hose (3).
	Install
7	Remove stop plugs and install brake hose (3) on brake caliper (2).	Brake hose to brake caliper	*BA42.10-Z-1001-04KOD
		Record plug	Fig 1
8	Remove stop plugs and attach brake hose (3) to brake line (1).	Do not twist brake hose (3) when fitting it. Retaining screw, brake line to brake hose	*BA42.10-Z-1002-04KOD
		Record plug	Fig 1
9	Hook in brake hose (3).	Model 447, 448 except code XM7 (MOPF II) Hook brake hose (3) into holder (4) on semi-trailing arm. Model 447, 448 with code XM7 (MOPF II) Hook brake hose (3) into holder (5).
10	Lower vehicle.		AR00.60-S-1000E
11	Bleed brake system.		AR42.10-S-0010E

Fig 1: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA