Bleed brake system

AR42.10-P-0010GG

Bleed brake system

11.10.2018

Model

460, 461

Model

463 (except 463.270/271)

up to model year 2013

except code 979 (Special protection MB Guard)

1

Right front brake caliper

4

Right rear bleed screw for wheel brake cylinder

2

Right front outer bleed screw for brake caliper

5

Cap

3

Right front inner bleed screw for brake caliper

6

Brake fluid reservoir

 Caution

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

 Warning

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

Topical note

Notes on repairs to brake system

AH42.00-P-0003-01A

Topical note

Brake fluid notes

AH42.50-P-0001-01A

 

Remove/install

1

Unscrew cap (5) of brake fluid reservoir (6) and add new brake fluid up to "MAX" marking

2

Connect filling and bleeding unit on brake fluid reservoir (6) and switch on



000 588 01 82 00 Filling unit

WS25.00-P-0016B

 Pay attention to manufacturer's operating instructions.

3

Remove front wheel-and-tire assemblies



AP40.10-P-4050G

4

Carrying out bleeding operation

Model 461.392

AR42.10-P-0010-02SW

Model 460, 461 (except 461.392)
Model 463 (except 463.270/271)
up to model year 2013
except code 979 (Special protection MB Guard)

AR42.10-P-0010-02GG


It is essential to observe the bleeding sequence specified in the linked description.
Otherwise the brake system may malfunction!

 Model 460, 461
Model 463 (except 463.270/271)
up to model year 2013
except code 979 (Special protection MB Guard)Bleed screw at front axle fixed brake caliper

*BA42.10-P-1001-02B

 Model 460, 461
Model 463 (except 463.270/271)
up to model year 2013
except code 979 (Special protection MB Guard)Bleed screw to rear axle wheel brake cylinder

*BA42.10-P-1001-08A

5

Install in the reverse order



Check

 Danger

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

6

Press brake pedal several times and check brake system for leaktightness

Model 460, 461
Model 463 (except 463.270/271)
up to model year 2013
except code 979 (Special protection MB Guard)

AR42.10-P-0100-01A

 Firm resistance should be noticeable at the brake pedal.

7

Correct fluid level in brake fluid reservoir (6)



AP42.50-P-4210G

8

Check function and effectiveness of brake system

 Front axle fixed brake caliper

Number

Designation

Model 460

Model 461 (except 461.339)
Model 463
up to model year 2019

BA42.10-P-1001-02B

Bleed screw at front axle fixed brake caliper

Nm

14

14

 Front axle fixed brake caliper

Number

Designation

Model 461.339
with code ZD4 (Vehicle for non-civilian operations)

BA42.10-P-1001-02B

Bleed screw at front axle fixed brake caliper

Nm

14

 Brake cylinder

Number

Designation

Model 460, 461

Model 463
up to model year 2019

BA42.10-P-1001-08A

Bleed screw to rear axle wheel brake cylinder

Nm

14

14