Electrical system: wiring (Mercedes-Benz)
Vehicle recall 24V-445. NHTSA received Mercedes-Benz USA, LLC’s report on Jun 14, 2024.
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The short answer
NHTSA received Mercedes-Benz USA, LLC’s report on Jun 14, 2024. Copied from NHTSA on Oct 22, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
An electrical short circuit can increase the risk of a fire.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLS 53 4MATIC, 2019-2023 E 53 4MATIC Cabriolet, E 53 4MATIC Coupe, E 53 4MATIC Sedan, 2021-2024 GT 43 4MATIC, and 2019-2025 GT 53 4MATIC vehicles.
The transmission wiring harness connection might not have been correctly wired during a prior recall repair, and during production. which can expose the electrical connector to corrosion, and result in an electrical short-circuit.
NHTSA, Recalls flat file. Released Oct 22, 2026. Updated daily.
- NHTSA’s part: Electrical system: wiring.
What should you do?
Dealers will replace the two-part wiring harness and connector, free of charge. Interim letters, notifying owners of the safety risk, were mailed August 9, 2024. A second notice will be sent once the final remedy is available. Owners may contact MBUSA customer service at 1-877-496-3691. MBUSA’s number for this recall is 2024100002/3. This recall supersedes recall 22V-533. Vehicles repaired under the prior recall will still need to have the new remedy performed.
NHTSA, Recalls flat file. Released Oct 22, 2026. Updated daily.
- How to reach the firm: 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.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 22,422 vehicles potentially involved, across everything this recall names.
Each model year opens its own page: every recall naming it, its owner complaints and its crash ratings.
NHTSA, Recalls flat file. Released Oct 22, 2026. Updated daily.
Who is recalling it?
- Made by Mercedes-Benz USA, LLC.
NHTSA, Recalls flat file. Released Oct 22, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt. Owners’ complaints are counted on each vehicle’s page.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 22, 2026 and checked Oct 22, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 22, 2026.