The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C 300 vehicles. The bolt securing the electrical wire to the pre-fuse box could be improperly tightened, causing the wire to overheat. MBUSA's number for this recall is 2024070005.
The risk
An overheated wire can cause a fire and a sudden loss of drive power, increasing the risk of a crash.
The fix
Dealers will inspect and rework the wiring harness, as necessary free of charge. Owner notification letters were mailed August 2, 2024. Owner may contact MBUSA customer service at 1-877-496-3691.
Recall details
| NHTSA campaign | 24V-446 (24V446000) |
|---|---|
| Manufacturer number | 2024070005 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Electrical system › Wiring › Fuses and circuit breakers |
| Report date | June 14, 2024 |
| Owners notified | August 2, 2024 |
| Vehicles affected | 1,058 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the electrical system
Frequently asked questions
Is the recall 24V-446 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: Dealers will inspect and rework the wiring harness, as necessary free of charge. Owner notification letters were mailed August 2, 2024. Owner may contact MBUSA customer service at 1-877-496-3691.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 1,058 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.