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Home >> Mercedes Benz >> 2021 >> GT 53 AMG >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brakes -- Hydraulic & Mechanical System (2 Of 2) -- 290 Chassis >> Maintenance >> Assess Condition Of Brake Linings - AP42.10-P-4252I

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

Model 290 

Shown on model 223.063 

G16548923Courtesy of MERCEDES-BENZ USA
G16548924Courtesy 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
WARNING Risk of injury  from engine start by remote start function Prior to starting work, open engine hood, do not reach into rotation range or hazard area of freely rotating parts, wear closed and snug-fitting work clothes AS00.00-Z-0024-01A
Notice  Notes on repairs to brake system   AH42.00-P-0003-01A
Notice  Notes on handling, transport and storage of composite brake disks   AH42.10-P-9406-12LF
Notice  Notes on handling, transport and storage of ceramic brake disks   AH42.10-P-9406-13A
INSPECT Check     
1 Assess brake pad thickness (1) of break pads 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.
IMPORTANT After obtaining special order.
*BE42.10-P-1001-06G 
2 Assess brake pad thickness (1) of break pads 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-1001-18F 
3 Determine expected remaining distance of break pads. IMPORTANT To determine the prospective remaining distance for each axle, refer to the brake pad with the least brake pad thickness (1).
In order to avoid an unscheduled workshop visit between services, determine the remaining distance of the present break pads.
If the remaining distance determined is less than the next service interval, advise the customer to replaced the break pads before the due service date.
If the wear limit for the break pads is reached,

replace brake linings.
IMPORTANT After obtaining special order.
AP42.10-P-4253-03EW 
CHECK VALUES FOR FRONT AXLE BRAKE LINING

Number Designation Model 290.658/659/661/688/689
Model 290.679 except code B07 (AMG - ceramic brake system)
Model 290.679 with code B07 (AMG - ceramic brake system)
BE42.10-P-1001-06G Brake lining Brake pad, new mm 10 9
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 BRAKE PAD

Number Designation Model 290.658/659/661/679/688/689 except code B07 (AMG - ceramic brake system) Model 290.658/659/661/688/689 with code B07 (AMG - ceramic brake system)
BE42.10-P-1001-18F Brake lining Brake pad, new mm 11 12
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 BRAKE PAD

Number Designation Model 290.679 with code B07 (AMG - ceramic brake system)
BE42.10-P-1001-18F Brake lining Brake pad, new mm 10
Pad backing plate mm 5.5
Wear limit mm 2
Wear indicator activated (if installed) mm 2-3