Wiring: fuses and circuit breakersRecall 24V-446 · 2022–2023 Mercedes-Benz C300

Mercedes-Benz USA, LLC recall 24V-446 covers 1,058 2022–2023 Mercedes-Benz C300 for a wiring: fuses and circuit breakers problem, reported to NHTSA on June 14, 2024. The manufacturer's latest report (2026 Q2) shows 91% of affected vehicles repaired.

91%
Vehicles repaired959 of 1,058 · 2026 Q2
Vehicles affected1,0581 model
ReportedJun 14, 2024Owners notified Aug 2, 2024
Complaints since1Same system, after the recall

Source: NHTSA recall 24V446000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

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.

What to do

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.

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.safercar.gov.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

Repair progress

How fast cars are being fixed

91%repaired

Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.

0%50%100%2024 Q32026 Q2
1 model

Vehicles in this recall

Built from June 24, 2021 to August 20, 2022. Not every vehicle in these model years is included; check by VIN.