Replace Brake Hoses - AR42.10-P-0013MFA

Model 118, 177, 243, 247 

Fig 1: Front Brake Hoses Components Location - Model 247

Courtesy of MERCEDES-BENZ USA

Fig 2: Rear Brake Hoses Components Location - Model 247

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
Topical note	Notes on externally invisible brake fluid loss		AH42.10-P-9406-02A
Topical note	Notes on installing brake hoses		AH42.10-P-9406-01A
Topical note	Brake fluid notes		AH42.50-P-0001-01A
Topical note	Notes on repairs to brake system		AH42.00-P-0003-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Note on calculation of tightening torque when using insertion or socket tools with various effective lengths		AH00.00-P-0015-01CW
	Remove/install
1	Remove corresponding wheel and tire assembly.		AR40.10-P-1102MFA
	Front brake hose (1)
2	Remove rear section of fender liner in left front or right front fender.	Model 243	AR88.10-P-1301EQA
		Model 118, 177, 247	AR88.10-P-1301MFA
3	Open mounting clamp (4) and remove front brake hose (1) from mounting clamp (4) and holder (3).	: Make sure that the front brake hose (1) is seated correctly in the mounting clip (4) and holder (3).
4	Remove front brake hose (1) from front brake line (5) and seal exposed connections with suitable stop plugs.	Seal connections immediately. Otherwise damage can be caused by escaping brake fluid.
		: Do not twist front brake hose (1) and make sure that it is routed correctly. Otherwise, the front brake hose (1) will be damaged. : Make sure that the retaining clamp (6) is seated correctly. The expansion reservoir for brake fluid must not run completely empty.
		Retaining screw, brake line to brake hose	*BA42.10-P-1004-04Q
		Torque tool set	Fig 5
		Record plug	Fig 4
5	Remove screw (7), remove front brake hose (1) and seal exposed connections with suitable stop plugs.	Installation: Do not twist front brake hose (1) and make sure that it is routed correctly.
		Otherwise, the front brake hose (1) will be damaged. : Replace front brake hose (1).
		Screw, brake hose to brake caliper	*BA42.10-P-1003-10ZA
		Record plug	Fig 4
		Box wrench	Fig 3
	Rear brake hose (8)
6	Remove rear brake hose (8) from rear brake line (9) and seal exposed connections with suitable stop plugs.	: Do not twist rear brake hose (8) and make sure that it is routed correctly. Otherwise, the rear brake hose (8) will be damaged. Seal the connections immediately to avoid damage being caused by brake fluid running out. The rear brake caliper (10) must not run empty. The rear brake caliper (10) must otherwise be replaced.
		: Make sure that the retaining clamp (11) is seated correctly.
		Collect escaping brake fluid.
		Retaining screw, brake line to brake hose	*BA42.10-P-1004-04Q
		Torque tool set	Fig 5
		Record plug	Fig 4
7	Remove screw (12), remove rear brake hose (8) and seal exposed connections with suitable stop plugs.	Installation: Do not twist rear brake hose (8) and make sure that it is routed correctly.
		Otherwise the rear brake hose (8) will be damaged. : Replace rear brake hose (8).
		Bolt, brake hose to brake caliper (floating brake caliper)	*BA42.10-P-1003-12X
		Record plug	Fig 4
		Box wrench	Fig 3
8	Install in the reverse order.
	Concluding tasks
9	Bleed brake system.		AR42.10-P-0010MFA

FRONT AXLE BRAKE CALIPER

Number	Designation			Model 118	Model 177
BA42.10-P-1003-10ZA	Screw, brake hose to brake caliper	M12	Nm	42	48

FRONT AXLE BRAKE CALIPER

Number Designation				Model 243	Model 247
BA42.10-P-1003-10ZA	Screw, brake hose to brake caliper	M12	Nm	42	42

REAR AXLE BRAKE CALIPER

Number	Designation			Model 118 with code U54 (Compound-link axle)	Model 118 with code U55 (Multi-link axle)
BA42.10-P-1003-12X	Bolt, brake hose to brake caliper (floating brake caliper)	M12	Nm	42	42

REAR AXLE BRAKE CALIPER

Number	Designation			Model 177 with code U54 (Compound-link axle)	Model 177 with code U55 (Multi-link axle)
BA42.10-P-1003-12X	Bolt, brake hose to brake caliper (floating brake caliper)	M12	Nm	42	42

REAR AXLE BRAKE CALIPER

Number	Designation			Model 243	Model 247 with code U54 (Compound-link axle)
BA42.10-P-1003-12X	Bolt, brake hose to brake caliper (floating brake caliper)	M12	Nm	42	42

REAR AXLE BRAKE CALIPER

Number	Designation			Model 247 with code U55 (Multi-link axle)
BA42.10-P-1003-12X	Bolt, brake hose to brake caliper (floating brake caliper)	M12	Nm	42

BRAKE LINES

Number	Designation		Model 118	Model 177
BA42.10-P-1004-04Q	Retaining screw, brake line to brake hose	Nm	14	14

BRAKE LINES

Number	Designation		Model 243	Model 247
BA42.10-P-1004-04Q	Retaining screw, brake line to brake hose	Nm	14	14

Fig 3: Identifying Box Wrench (000 589 76 03 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Torque Tool Set (003 589 05 09 00)

Courtesy of MERCEDES-BENZ USA