Service brakes, hydraulic: power assist: vacuum (Mercedes-Benz and Mercedes Benz)
Vehicle recall 22V-315. NHTSA received Mercedes-Benz USA, LLC’s report on May 9, 2022.
- NHTSA: do not drive
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The short answer
NHTSA received Mercedes-Benz USA, LLC’s report on May 9, 2022. Copied from NHTSA on Oct 28, 2026.
- Do not drive NHTSA’s advice to owners (needs attention)
- 350,294 vehicles potentially involved, by NHTSA’s count
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
Reduced brake performance or brake failure can increase the risk of a crash.
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.
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
- NHTSA’s part: Service brakes, hydraulic: power assist: vacuum.
What should you do?
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, 2022050015 2022090006, & 2022090007.
NHTSA’s advice: Do not drive
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
- How to reach the firm: 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.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 350,294 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
- Mercedes-Benz R350and 2006, 2007, 2008, 2009, 2010, 2011 and 2012, before the model years listed here
- Mercedes-Benz ML350and 2010 and 2011, before the model years listed here
- Mercedes-Benz AMG ML63and 2007, 2008, 2009, 2010 and 2011, before the model years listed here
- Mercedes Benz GL320and 2007, 2008 and 2009, before the model years listed here
- Mercedes-Benz GL350and 2010, 2011 and 2012, before the model years listed here
- Mercedes-Benz GL450and 2010, 2011 and 2012, before the model years listed here
- Mercedes Benz GL450and 2007, 2008 and 2009, before the model years listed here
- Mercedes-Benz GL550and 2010, 2011 and 2012, before the model years listed here
- Mercedes Benz GL550and 2008 and 2009, before the model years listed here
- Mercedes Benz R320and 2007, 2008 and 2009, before the model years listed here
- Mercedes Benz ML550and 2008 and 2009, before the model years listed here
- Mercedes-Benz ML450and 2010 and 2011, before the model years listed here
- Mercedes Benz ML350and 2006, 2007, 2008 and 2009, before the model years listed here
- Mercedes Benz ML320and 2007, 2008 and 2009, before the model years listed here
- Mercedes Benz ML500and 2006 and 2007, before the model years listed here
- Mercedes-Benz ML550and 2010 and 2011, before the model years listed here
- Mercedes Benz R500and 2006 and 2007, before the model years listed here
- Mercedes Benz AMG R63and 2007, before the model years listed here
- Mercedes-Benz R550and 2008, before the model years listed here
Who is recalling it?
- Made by Mercedes-Benz USA, LLC.
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 28, 2026 and checked Oct 28, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 28, 2026.