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Home >> Mercedes Benz >> 2004 >> SL55 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes -- Maintenance -- 230 Chassis >> Maintenance >> Assess condition of brake disks - AP42.10-P-4256EW

Assess condition of brake disks - AP42.10-P-4256EW

MODEL 230 

Fig 1: Checking Condition Of Brake Disks
G00543209DANGERCourtesy 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
Checking 
1 Assess all the steel brake disks (1) on the front and rear axle except CODE B07 (AMG ceramic high performance compound brake system)
Assess score marks, cracks, corrosion, ridging on outer edge and soiling (oil, grease).
For perforated or counterbored steel brake disks (1) assess the crack length (x) including the bore diameter.
For a crack length (x) > 25 mm, gaping cracks or score marks deeper than 0.5 mm or pitted corrosion or deeply contoured ridging at the outer edge: ↓
Replace steel brake disks (1) subject to separate repair order.
For soiling (oil, grease): ↓
Clean steel brake disks (1), subject to separate repair order, replace if necessary. If, in exceptional cases, assessment of the steel brake disks (1) by means of visual inspection is not possible, ↓
Check condition of brake disks subject to a separate repair order.
AP42.10-P-4258R