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May 9, 2022 NHTSA CAMPAIGN NUMBER: 22V315000
Brake Booster Corrosion May Impair Braking
Reduced brake performance or brake failure can increase the risk of a crash.
NHTSA Campaign Number: 22V315
Manufacturer Mercedes-Benz USA, LLC
Components SERVICE BRAKES, HYDRAULIC
Potential Number of Units Affected 292,287
Summary
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2012 ML-Class, GL-Class, and R-Class vehicles. Please refer to MBUSA’s recall report for specific vehicle model details. Moisture may accumulate and cause corrosion in the brake booster housing unit, which can result in reduced brake performance or brake failure.
Remedy
Owners are advised not to drive their vehicles until the remedy has been performed. Dealers will remove the rubber sleeve, inspect the brake booster, and as necessary, replace the brake booster. All repairs will be performed free of charge. Owner notification letters were mailed June 30, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA’s numbers for this recall are 2022050014 and 2022050015.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.