ar4210p1700lf

Removing, checking and installing rear axle brake pads

ประเภท ar · หัวข้อ 42.10 · เวอร์ชัน 0106 · 2020-03-12

ใช้กับ: Model 217, 222

ไม่มีใน “th” แสดงเป็น อังกฤษ

ตำแหน่ง

กลุ่มฟังก์ชัน 2 Chassis › 42 Brakes - hydraulic and mechanical systems › 42.10 Service brake — ซีรีส์ 217 · ซีรีส์ 222

EinPAS 21 Brakes/vacuum system/compressed-air system › 21.15 Service brake/vacuum system › 21.15.42 Service brake, rear — ซีรีส์ 217 · ซีรีส์ 222

AR42.10-P-1700LF

Removing, checking and installing rear axle brake pads

06.03.2020

Model

217, 222

Removing, checking and installing rear axle brake pads

P42.10-2964-09

Shown on MODEL 222 - right side of vehicle

1

Bolts

9

Brake disk

M76/1

Left electric parking brake actuator motor

2

Caliper support

10

Brake linings

M76/2

Right electric parking brake actuator motor

3

Brake caliper

11

Spring steel sheets

S10/4

Right rear brake wear sensor

5

Guide pin

12

Bellows

S10/4x1

Right rear brake wear sensor electrical connector

6

Brake hose

16

Electric line

Removing, checking and installing rear axle brake pads

01

Pusher tool

3

Brake caliper

13

Dust boot

P42.10-2868-11

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

Brake fluid notes

AH42.50-P-0001-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on repairs to brake system

AH42.00-P-0003-01A

Notes on installing brake wear indicator contact sensors

AH42.10-P-0003-01CW

Remove/install

1

Move brake pads (10) of the rear axle into assembly position

AR42.10-P-1700-02W


Do not depress the service brake during "Move to assembly position".
Otherwise, the spindle in the brake caliper (3) can be damaged.

The engine hood must be closed.

2

Switch off ignition and remove transmitter key

3

Remove cover over brake fluid expansion reservoir

Clean

4

Clean area surrounding the cap of the brake fluid expansion reservoir

Assembly cleaner

*BR00.45-Z-1028-04A

5

Unscrew the cap on the brake fluid expansion reservoir and suction off some brake fluid

In order to prevent the brake fluid expansion reservoir overflowing when pressing back the brake pistons.

6

Detach corresponding complete wheel

AR40.10-P-1102A

7

Disconnect right rear brake wear sensor electrical connector (S10/4x1) from right rear brake wear sensor (S10/4)

When removing brake linings (10) on right side of vehicle

8

Detach electrical connection from left electric parking brake actuator motor (M76/1) or right electric parking brake actuator motor (M76/2)

9

Remove bolt (1) from lower guide pin (5)

Counterhold lower guide pin (5) while doing so.

Guide pin to brake caliper support or bolt for guide pin to brake caliper

*BA42.10-P-1004-12J

10

Swivel brake caliper (3) upwards

Do not detach brake hose (6).

Installation: Guide the right rear brake wear sensor (S10/4) through the opening of the brake caliper (3).

11

Remove brakepad (10) from brake caliper support (2)

Installation: Only sets of brake linings (10) approved by Mercedes-Benz may be installed. Do not apply brake paste or lubricants to the brakepads (10) and brake calipers (3)!

12

Pull right rear brake lining wear sensor (S10/4) out of brake lining (10)

When removing brake linings (10) on right side of vehicle

Installation: Replace defective right rear brake lining wear sensor (S10/4).

13

Remove spring steel sheets (11) from brake caliper support (2)

Checking, measuring

14

Check condition of brake linings (10)

Model 217

AP42.10-P-4252C

Model 222

AP42.10-P-4252HA

If necessary:

Replace brake linings (10).

15

Check condition of brake disk (9) and gauge degree of wear

Model 217
with code B07 (AMG - ceramic brake system)

AP42.10-P-4258CC

Model 217
except code B07 (AMG - ceramic brake system)

AP42.10-P-4258C

Model 222
with code B07 (AMG - ceramic brake system)

AP42.10-P-4258HC

Model 222
except code B07 (AMG - ceramic brake system)

AP42.10-P-4258HA

If necessary:

Replace brake disk (9).


AR42.10-P-0220LF

16

Check brake caliper (3) and dust boot (13) on brake piston for damage

If damage is present:

Replace brake caliper (3).


AR42.10-P-0080LF

17

Check boots (12) for damage and correct seat

If damage is present:

Replace brake caliper support (2).


AR42.10-P-0080LF

18

Check guide pin (5) for ease of movement

Replace brake caliper support (2) if damaged, see:

Replace brake caliper (3).


AR42.10-P-0080LF

19

Press back brake piston using pusher tool (01)

Resetting device

*000589524300

If the brake piston is difficult to move:

Replace brake caliper (3).


AR42.10-P-0080LF

Clean

20

Clean contact surfaces of brake linings (10) on brake caliper (3) and on brake caliper support (2)


Do not use sharp-edged or pointed objects.
The dust boots (13) can otherwise be damaged.

Assembly cleaner

*BR00.45-Z-1028-04A

21

Install in the reverse order

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

22

Depress brake pedal several times until brake pads (10) rest against brake disks (9)

Check

23

Check fluid level in brake fluid expansion reservoir

AP42.10-P-4210HA

24

Carry out brake test on the test stand

AP42.00-P-4290BA

Rear axle brake caliper

Number

Designation

Model 217

Model 222

BA42.10-P-1004-12J

Guide pin to brake caliper support or bolt for guide pin to brake caliper

Nm

35

35

Removing, checking and installing rear axle brake pads

000 589 52 43 00

Resetting device

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01

เอกสารที่อ้างถึง