NHTSA campaign 22V678000 · Manufacturer campaign 2022090011
Mercedes Benz Recall 22V-678: Short Circuit from Moisture Accumulation in Trunk
NHTSA recall 22V678000 (Manufacturer campaign 2022090011) was reported by Mercedes-Benz USA, LLC on September 12, 2022, with 6,752 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mercedes Benz C 300 for the 2022 model year. Owners were notified on December 2, 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 22V678000 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
- 22V678000 (also written 22V-678 or 22V678)
- Filed by
- Mercedes-Benz USA, LLC
- Manufacturer campaign number
- 2022090011
- Report received
- Potentially affected
- 6,752 vehicles (per NHTSA)
- Component
- Electrical System — Wiring — Rear Compartment/Trunk
- Owners notified
Repair completion: 97.14% (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 22V678000. 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 C 300
NHTSA's recall notice
As NHTSA's recall record states it for campaign 22V678000.
Defect description
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 C300 vehicles. Moisture accumulation in the trunk may leak into the signal acquisition module (SAM), causing an electrical short circuit.
Safety consequence
An electrical short circuit in the SAM could lead to various malfunctions, such as rear exterior lighting failure, unintentional rear seat folding, and rearview camera failure, increasing the risk of a crash or injury. In addition, an electrical short circuit might increase the risk of a fire.
Manufacturer remedy
Dealers will install a cover for the SAM, free of charge. Owner notification letters were mailed December 2, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022090011.
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 22V678000
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.