NHTSA campaign 21V403000 · Manufacturer campaign 2020070009
Mercedes Benz Recall 21V-403: Water Intrusion into Front Wheel Wells
NHTSA recall 21V403000 (Manufacturer campaign 2020070009) was reported by Mercedes-Benz USA, LLC on May 28, 2021, with 5,680 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mercedes Benz GLB 250 for the 2020 model year. Owners were notified on July 20, 2021, 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 21V403000 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
- 21V403000 (also written 21V-403 or 21V403)
- Filed by
- Mercedes-Benz USA, LLC
- Manufacturer campaign number
- 2020070009
- Report received
- Potentially affected
- 5,680 vehicles (per NHTSA)
- Component
- Structure
- Owners notified
Repair completion: 99.01% (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 21V403000. 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
Mercedes Benz GLB 250
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V403000.
Defect description
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLB250 vehicles. Water may enter through the wheel well area into the front occupant foot wells, potentially damaging certain electrical components. This may result in the instrument cluster going blank, an engine stall while driving, or the vehicle may not start.
Safety consequence
Either a blank instrument cluster display or an engine stall can increase the risk of a crash.
Manufacturer remedy
Dealers will seal the vehicle body in the wheel well area and inspect the front foot wells for water intrusion, repairing as necessary, free of charge. Owner notification letters were mailed July 20, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070009.
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 21V403000
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.