Inspect condition of brake disks

AP42.10-P-4258C

Inspect condition of brake disks

03.12.2019

Model

217

except code B07 (AMG - ceramic brake system)

Shown on perforated compound brake disk

010

Vernier caliper

1

Brake disk

Shown on perforated compound brake disk with wear holes

Shown on compound brake disk with wear holes

 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

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

Topical note

Notes on repairs to brake system

AH42.00-P-0003-01A

Topical note

Notes on handling, transport and storage of composite brake disks

AH42.10-P-9406-12LF



Remove

1

Detach complete wheels



AR40.10-P-1102A



Check

2

Assess condition of brake disks (1)

AP42.10-P-4256EW

Assessment of brake disks (1) not OK



Replace brake disks (1) subject to separate repair order.



Measure

3

Measure brake disk thickness on front axle using vernier caliper (010)

Brake disk thickness

*BE42.10-P-1001-08X

 Caliper gauge

*140589001900

Observe recommended limit dimensions. If the wear limit has been exceeded or will be exceeded before the next brake pad change.



Replace brake disks (1) subject to separate repair order.

4

Measure brake disk thickness on rear axle using vernier caliper (010)

Brake disk thickness

*BE42.10-P-1001-09W

 Caliper gauge

*140589001900

Observe recommended limit dimensions. If the wear limit has been exceeded or will be exceeded before the next brake pad change.



Replace brake disks (1) subject to separate repair order.



Install

5

Attach complete wheels



AR40.10-P-1102A

Check values for front axle brake disks

Number

Designation

Model 217.364/382/383/384/385/386/482/483

Model 217.377/378/379/387/388/477/478/479/487/488 except code B07

BE42.10-P-1001-08X

Brake disk thickness

New

mm

36

36

Wear limit

mm

34

33

Check values for rear axle brake disks

Number

Designation

Model 217.364/384,
model 217.382/385/482 except code U28,
model 217.383/386/483 except code 950/951/U28

Model 217.377/378/379/387/388/477/478/479/487/488 except code B07,
model 217.382/383/385/386/482/483 with code U28

BE42.10-P-1001-09W

Brake disk thickness

New

mm

24

26

Wear limit

mm

21,40

24

Check values for rear axle brake disks

Number

Designation

Model 217.383/386/483 with code 950/951

BE42.10-P-1001-09W

Brake disk thickness

New

mm

24

Wear limit

mm

22