Removing, checking and installing rear axle brake pads

AR42.10-D-1700E

Removing, checking and installing rear axle brake pads

11.3.10

 

Remove/install

Danger!

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



Brake fluid notes

AH42.50-P-0001-01A



Notes on repairs to brake system

AH42.00-P-0003-01A



Notes on evaluating brake disks

AH42.10-N-9406-07B

1

Unscrew lid from brake fluid reservoir

2

Remove rear wheels

AR40.10-D-1100A

3

Remove brake pads (2)

 Use M8 screw tap to remove residues of self-locking coating from the guide sleeves. Replace bolt (5)

AR42.10-D-1700-01B

 Wear limit for brake linings.

*BE42.10-N-1001-10A



*BA42.10-N-1002-12A

 Installation: Rub the brake pads at the side guide contact surfaces and piston contact surfaces of the carrier plate lightly with brake pad paste.

*BR00.45-Z-1003-06A

 Only brake pad kits approved by Mercedes Benz must be installed.

 Brake pads are to be disposed of as special waste. The local authorities can provide information regarding whether disposal is also permitted as industrial waste similar to domestic waste.

 Installation: Do not install brake hose twisted and pay attention to clearance.

Install cable for wear indicator (6) over the spring (3) and ensure there is sufficient clearance (see detail).

4

Clean brake parts and check for wear and damage

AR42.10-D-1600-11A



*124589051900



*000589266800

 Brake disk wear limit.

*BE42.10-N-1001-09B

5

Push back piston.

AR42.10-D-1600-09A



*000589524300

6

Install in the reverse order

7

Build up brake pressure

 Operate brake pedal several times.

8

Check brake fluid level in reservoir and correct if necessary



AP42.50-D-4210B

9

Check brake system for leaks

Number

Designation

Model 690.612/
613,
904

Model
XD4/XD5/
YD4/YD5

BE42.10-N-1001-09B

Brake disk thickness

New

mm

22

22

Wear limit

mm

19

19

Max. lateral runout

mm

0.1

0.1

Max. axial runout

mm

0.02

0.02

Repair limit dimension

mm

-

-

Number

Designation

Model
WD1/WD2/
WD3/WD6/
WD7/XD1/
XD2/XD3/
XD4/XD5/
XD6/XD7/
YD1/YD2/
YD3/YD4/
YD5/YD6/
YD7

Models
690.6, 901,
902, 903,
904

BE42.10-N-1001-10A

Brake lining wear limit

mm

2

2

Number

Designation

Model
904

Model
XD4/XD5/
YD4/YD5

BA42.10-N-1002-12A

Guide pin/catch bolt, top section of brake caliper to brake caliper support

M8

Nm

25

25

M81

Nm

-

-

M10 10.9

Nm

-

-

M101.25

Nm

-

-

Number

Designation

Order number

BR00.45-Z-1003-06A

Brake pad paste replaced by: A 001 989 94 51

A 001 989 10 51