Mercedes Benz

Brakes - Brake Rotor Minimum Thickness Information SI M34 01 10 Brakes June 2011 Technical Service SUBJECT Brake Rotor Minimum Thickness MODEL All INFORMATION MINI brake discs/rotors are stamped with a Minimum Thickness. The stamped minimum thickness is used to determine whether the brake discs/rotors require replacement during a brake service, such as a pad replacement. However, some motor vehicle inspection procedures require the measurement of brake discs/rotors. An additional minimum thickness specification for the purpose of motor vehicle inspection is provided in the Technical Data section of the Repair Manual. Examples of the two specifications are described in this bulletin. The Stamped Minimum Thickness (MIN TH) is utilized as described below: New brake pads may only be installed if the brake disc thickness is greater than or equal to the minimum brake disc thickness (MIN TH) (not including perforated brake discs). For vehicles fitted with perforated (cross-drilled) brake disc...