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Home >> Mercedes Benz >> 2021 >> GLB250 4Matic >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes - Hydraulic & Mechanical System - 247 Chassis >> Maintenance >> Assess Condition Of Brake Linings - AP42.10-P-4252MFB

Assess Condition Of Brake Linings - AP42.10-P-4252MFB

Model 247 

G14688068Courtesy of MERCEDES-BENZ USA

Shown on model 221 

G14688069Courtesy of MERCEDES-BENZ USA
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 
INSPECT Check     
1 Assess brakepad thickness (1) of brakepads on front axle. Model 247  
    REMOVING 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 subject to separate repair order.
*BE42.10-P-1001-06F 
2 Assess brakepad thickness (1) of brakepads on rear axle. Model 247
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-1001-18E 
3 Determine expected remaining distance of brakepads.   AP42.10-P-4253-03EW 
    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 prospective 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 present brakepads. If the remaining distance determined is less than the next service interval, advise the customer to replaced the brakepads before the due service date.
 
CHECK VALUES FOR FRONT AXLE BRAKE LINING

Number Designation Model 247 (except 247.651751753754) Model 247.651751753754
BE42.10-P-1001-06F Brake lining Brake pad, new mm 12 10
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 247
BE42.10-P-1001-18E Brake lining Brake pad, new mm 11
Pad backing plate mm 6
Wear limit mm 2
Wear indicator activated (if installed) mm 2-3