Cleaning perforations in brake discs - AR42.10-P-2260-01I

Shown on vehicle without code (B07) Ceramic brake system 

The holes in the perforated brake disks (61) can clog up due to brake dust and dirt. If this is the case, the perforation must be cleaned.

1. Remove brake dust and dirt from the holes in the brake disk (61) using a suitable drift.

   Vehicles with code (B07) Ceramic brake system: Never  use drill bits or other cutting tools, otherwise the brake disks (61) will be damaged.

   Vehicles without code (B07) Ceramic brake system: If it is not possible to remove brake dust or dirt by means of a drift, use cordless drill/driver and 4.3 mm drill bit. In the process no chips may be lifted up from the brake disks (61), the holes in the brake disks (61) must not be enlarged under any circumstances.

   Fig 1: Removing Brake Dust And Dirt From Holes In Brake Disk

   Courtesy of MERCEDES-BENZ USA

Shown on vehicle without code (B07) Ceramic brake system 

Fig 2: Removing Brake Dust And Dirt From Holes In Brake Disk Using Cordless Drill/Driver And 4.3 mm Drill Bit

Courtesy of MERCEDES-BENZ USA