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Assess condition of brake linings - AP42.10-P-4252P

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MODEL 203 

MODIFICATION NOTES

24.9.14 Info "Wear limit of brake linings reached", added. Operation step 3  
Fig 1: Checking Lining Thickness
G10038028Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Lining Thickness, Flashlight & Mirror
G10038029DANGERDANGERNOTESINSPECTIMPORTANTIMPORTANTNOTESIMPORTANTCourtesy of MERCEDES-BENZ USA
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
DANGER 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
NOTES Notes on repairs to brake system   AH42.00-P-0003-01A
INSPECT Check     
1 Assess lining thickness (1) of brake linings on front axle IMPORTANT If necessary, use flashlight (2) or mirror (3). The thickness of the pad backing plate can be used as a guide when assessing lining thickness (1).  
Brake lining thickness - front axle
If, in exceptional cases, assessment by means of visual inspection is not possible:

Detach wheel and tire assemblies and inspect them, subject to separate repair order.
*BE42.10-P-1001-05I 
2 Assess lining thickness (1) of brake linings on rear axle IMPORTANT If necessary, use flashlight (2) or mirror (3). The thickness of the pad backing plate can be used as a guide when assessing lining thickness (1).  
Brake lining thickness - rear axle
If, in exceptional cases, assessment by means of visual inspection is not possible:

Detach wheel and tire assemblies and inspect them, subject to separate repair order.
*BE42.10-P-1001-15H 
3 Determine likely remaining distance of brake linings   AP42.10-P-4253-03EW
NOTES If the wear limit for the brake linings is reached, the brake linings must be replaced subject to separate repair order.
Otherwise the braking effect may be impaired and people, property and environmental damage may result!
IMPORTANT Per axle, the brake pad with the least lining thickness (1) is to be used for determining the likely remaining distance.
In order to avoid an unscheduled workshop visit between services, it is necessary to determine the remaining distance of the present brake linings. If the remaining distance determined is smaller than the next service interval, premature brake pad replacement should be recommended to the customer.
CHECK VALUES FOR FRONT BRAKE SHOE

Number Designation MODEL 203.004/006/007/008/016/035/040/042/043/045/046/061/064/076/081/084/092/204/206/207/208/216/235/242/243/245/246/261/264/276/281/284/292/706/707/708/730/731/735/741/745/746/747/764, MODEL 203.087/287 with floating brake caliper MODEL 203.018/218/718, MODEL 203.065/265 with floating brake caliper
BE42.10-P-1001-05I Brake pad thickness new (with pad backing plate) mm 19, 8 17, 8
Wear limit (without pad backing plate) mm 2 2
Wear limit (with pad backing plate) for maintenance service mm 14, 2 12, 2
Wear limit (without pad backing plate) for maintenance service mm - -
Wear indicator activated mm 3 3
CHECK VALUES FOR FRONT BRAKE SHOE

Number Designation MODEL 203.056/256 with CODE 494/498/625, MODEL 203.087 with CODE 494, MODEL 203.240 except fixed brake caliper, MODEL 203.740/742/743 MODEL 203.020/220 with CODE 949/950, MODEL 203.056/256 with CODE 949/950
BE42.10-P-1001-05I Brake pad thickness new (with pad backing plate) mm 19, 85 16, 6
Wear limit (without pad backing plate) mm 2 1, 8
Wear limit (with pad backing plate) for maintenance service mm 12 9, 6
Wear limit (without pad backing plate) for maintenance service mm 5, 8 5, 1
Wear indicator activated mm 3 2...3
CHECK VALUES FOR FRONT BRAKE SHOE

Number Designation MODEL 203.020/220 except CODE 949/950, MODEL 203.056/256 except CODE 494/498/625/949/950, MODEL 203.756 MODEL 203.052/054 with floating brake caliper, MODEL 203.252/254/752
BE42.10-P-1001-05I Brake pad thickness new (with pad backing plate) mm 15, 8 19, 85
Wear limit (without pad backing plate) mm 1, 8 2
Wear limit (with pad backing plate) for maintenance service mm 9, 2 12
Wear limit (without pad backing plate) for maintenance service mm - 5, 6
Wear indicator activated mm ≈3 2...3
CHECK VALUES FOR FRONT BRAKE SHOE

Number Designation MODEL 203.052/054 with fixed brake caliper MODEL 203.240 with fixed brake caliper
BE42.10-P-1001-05I Brake pad thickness new (with pad backing plate) mm 16, 5 16, 5
Wear limit (without pad backing plate) mm 1, 8 2
Wear limit (with pad backing plate) for maintenance service mm 9, 2 9, 8
Wear limit (without pad backing plate) for maintenance service mm 4, 7 4, 6
Wear indicator activated mm 2...3 ≈3
CHECK VALUES FOR FRONT BRAKE SHOE

Number Designation MODEL 203.065/265 with fixed brake caliper MODEL 203.087 except CODE 494 with fixed brake caliper, MODEL 203.287 with fixed brake caliper
BE42.10-P-1001-05I Brake pad thickness new (with pad backing plate) mm 17 16, 2
Wear limit (without pad backing plate) mm 2 1, 4
Wear limit (with pad backing plate) for maintenance service mm 11 9, 65
Wear limit (without pad backing plate) for maintenance service mm - 5, 15
Wear indicator activated mm ≈2 ≈3
CHECK VALUES FOR REAR BRAKE PAD

Number Designation MODEL 203.004/006/007/008/016/020/035/040/042/043/045/046/052/054/056/061/064/081/084/092/204/206/207/208/216/220/235/242/243/245/246/252/254/256/261/264/281/284/292/706/707/708/730/731/735/740/741/742/743/745/746/747/752/756/764 MODEL 203.018/065/076/218/265/276/718
BE42.10-P-1001-15H Brake pad thickness new (with pad backing plate) mm 15, 5 15
Wear limit (without pad backing plate) mm 2 2
Wear limit (with pad backing plate) for maintenance service mm 11 9
Wear indicator activated (if available) mm ≈3 ≈2
CHECK VALUES FOR REAR BRAKE PAD

Number Designation MODEL 203.087/287 MODEL 203.240
BE42.10-P-1001-15H Brake pad thickness new (with pad backing plate) mm 15, 2 14, 5
Wear limit (without pad backing plate) mm 2 2
Wear limit (with pad backing plate) for maintenance service mm 8, 6 8, 8
Wear indicator activated (if available) mm ≈3 ≈3