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(Assess Condition Of Brake Linings - AP42.10-P-4252CLS)

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Model 257 

G13772415Courtesy of MERCEDES-BENZ USA

Shown on model 221 

G13772416Courtesy of MERCEDES-BENZ USA
WARNING 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
  Notes on repairs to brake system   AH42.00-P-0003-01A
CLEANING Check    
1 Assess brakepad thickness (1) of brakepads on front axle./ IMPORTANT If necessary, use a flashlight (2) or a mirror (3). The thickness of the pad backing plate can be used as a reference when assessing the brake lining thickness (1).
Brake lining
If, in exceptional cases, assessment through visual inspection is not possible.

Remove front wheels and assess them.
WARNING After obtaining special order.
*BE42.10-P-1001-06E
2 Assess brakepad thickness (1) of brakepads on rear axle. IMPORTANT If necessary, use a flashlight (2) or a mirror (3). The thickness of the pad backing plate can be used as a reference when assessing the brake lining thickness (1). Brake lining
If, in exceptional cases, assessment through visual inspection is not possible.

Remove rear wheels and assess them. IMPORTANT After obtaining special order.
*BE42.10-P-1001-18D
3 Determine estimated remaining distance of brakepads. NOTES If the wear limit for the brakepads has been reached, replace brakepads. After obtaining special order.
Otherwise the braking effect may be impaired and people, property and environmental damage may result.
IMPORTANT To determine the estimated remaining distance for each axle, refer to the brakepad with the least brakepad thickness (1). In order to avoid an unscheduled workshop visit between services, determine the remaining distance of the existing brakepads. If the remaining distance determined is less than the next service interval, advise the customer to replace the brakepads before the due service date.
AP42.10-P-4253-03EW
Check values for front axle brake lining

Number Designation Model 257.314/318/319/320/321/323/344/348/350/351/358/359 Model 257.361
BE42.10-P-1001-06E Brake lining Brake pad, new mm 13 11
Pad backing plate mm 6 6
Wear limit mm 2 2
Wear indicator activated (if installed) mm 2-3 2-3
Check values for rear axle brakepad

Number Designation Model 257.314/318/319/32 0/321/323/344/348/3 50/351/358/359/361
BE42.10-P-1001-18D Brake lining Brake pad, new mm 11
Pad backing plate mm 6
Wear limit mm 2
Wear indicator activated (if installed) mm 2-3