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NHTSA campaign 22V315000

Mercedes Benz Recall 22V-315: Brake Booster Corrosion May Impair Braking

  • Do not drive

Owners are advised not to drive these vehicles until the recall repair is done.

NHTSA recall 22V315000 was reported by Mercedes-Benz USA, LLC on May 9, 2022, with 350,294 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mercedes Benz R350, Mercedes Benz GL450, Mercedes Benz ML350 and more for model years 2006–2012. Owners were notified on June 30, 2022, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 22V315000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Mercedes Benz VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
22V315000 (also written 22V-315 or 22V315)
Filed by
Mercedes-Benz USA, LLC
Report received
Potentially affected
350,294 vehicles (per NHTSA)
Component
Service Brakes, Hydraulic — Power Assist — Vacuum
Owners notified

Repair completion: 51.44% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 22V315000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Mercedes Benz

All Mercedes Benz recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 22V315000.

Defect description

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.

Safety consequence

Reduced brake performance or brake failure can increase the risk of a crash.

Manufacturer 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, 2022050015 2022090006, & 2022090007.

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.

Sources

Official NHTSA notice for recall 22V315000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.