Mercedes-Benz C 300, model years 2022 to 2023. Filed by Mercedes-Benz USA, LLC and reported to NHTSA on 14 June 2024. 1,058 vehicles potentially affected.
What the notice says 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.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Mercedes-Benz's own number for this recall: 2024070005. That is the number on the owner letter and on the dealer paperwork. 24V446 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 24V446 cover?
- Mercedes-Benz C 300, model years 2022-2023.
- What is wrong with them?
- 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.
- What can happen if it is not put right?
- An overheated wire can cause a fire and a sudden loss of drive power, increasing the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. 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.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Mercedes-Benz calls this recall 2024070005, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “An overheated wire can cause a fire and a sudden loss of drive power, increasing the risk of a crash.”
affected
in the notice
caught
| Campaign | 24V446 |
|---|---|
| Filed by | Mercedes-Benz USA, LLC |
| System at fault | Electrical System:Wiring:Fuses And Circuit Breakers |
| Reported to NHTSA | 14 June 2024 |
| Model years | 2022-2023 |
| Vehicles named | MERCEDES-BENZ C 300 |
What the notice says today
The consequence
An overheated wire can cause a fire and a sudden loss of drive power, increasing the risk of a crash.
The remedy
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.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 1,836 notices in the record whose component field names electrical system. Across that group the median wait before owners were written to was 41 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 24V446, wording as read on 17 September 2026. https://carsmultiverse.com/recall/24v446/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 24V446 on 5 September 2026, they were:
- Defect summary
4677f865 - Consequence
978cfd95 - Remedy
55b2ace8
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 24V446 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Mercedes-Benz C 300, in all seven, is kept on that vehicle's own page, with the newest in each.
Put this notice on your site
A small badge that links here and names the register's reference. It costs one line of HTML and needs no key.
The badge is free to use. It links to this page and nowhere else, and it never shows advertising.
Owners of these cars
No register publishes what happens after the letter. Owners do: tell us, in two taps.
Anonymous: no account, no cookie, nothing you type is stored beyond these choices. Figures appear once 3 owners have answered, and are published with the record under CC BY 4.0.