mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Brakes - Brake Component Corrosion Information|Page 3990 > < Brake Discs - Coating Removed During Thorough Test Drive|Page 3985
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Drum Brake System: Technical Service Bulletins
Brakes - Brake Component Corrosion Information

Date: June 15, 2009

Order No.: S-B-42.10/109

Supersedes:

Group: 42

SUBJECT:
MY-All, Models All

Corrosion of Brake Components

Corrosion protection coatings for brake components and hardware may be damaged and or stripped away (Figures 1 and 2) if highly concentrated
acid-based cleaners are used. Once the corrosion protection is damaged or removed the brake components and or hardware can begin to corrode. These
acid-based chemicals (Figure 3) are typically found in wheel cleaners, but may also be found in other general high strength cleaning solutions. It is

Brakes - Brake Component Corrosion Information|Page 3990 > < Brake Discs - Coating Removed During Thorough Test Drive|Page 3985