R 350 4MATIC (251.165) V6-3.5L (272.967) (2006)
Brake Rotor/Disc: Procedures
Clean perforations in brake disk
The perforated brake disk (61 ) can clog due to brake abrasion. For this reason the disk should be cleaned.
1. Clear brake dust from holes in brake disk (61 ) using a suitable drift.
If the holes in the brake disk (61 ) cannot be cleaned with a suitable drift, drill it out with a 4.3 mm dia. drill bit.
The perforations in the brake disk (61 ) must not be made larger by drilling. (Do not cut shavings off the brake disk.)