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Mercedes-Benz AMG E53 Recall 24V445: Wiring Harness Can Corrode and Cause Fire Risk

NHTSA campaign 24V445, reported June 14, 2024, 22,422 vehicles potentially affected.

What this recall means for you

The transmission wiring harness connection may not have been wired correctly, either during a previous recall repair or at the factory. Over time, this can expose the electrical connector to corrosion, which may lead to an electrical short circuit.

An electrical short circuit can increase the risk of a fire. Owners should take this recall seriously and act on it promptly.

Dealers will replace the two-part wiring harness and connector free of charge. Interim notification letters were mailed August 9, 2024, and a second notice will follow once the final remedy is available. You can contact Mercedes-Benz USA customer service at 1-877-496-3691 (recall numbers 2024100002/3), and check your vehicle identification number (VIN) for open recalls. This recall supersedes 22V-533, but vehicles repaired under that earlier recall will still need the new remedy.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 24V445Mercedes-Benz USA, LLC
Component
ELECTRICAL SYSTEM:WIRING
Problem
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.
Risk
An electrical short circuit can increase the risk of a fire.
Remedy
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.
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.safercar.gov.

Affected vehicles

Mercedes-Benz AMG CLS53201920202021
Mercedes-Benz AMG E5320192020202120222023
Mercedes-Benz AMG GT43202120222023
Mercedes-Benz AMG GT5320192020202120222023