Campaign 23V-462

Transmission wiring harness may be the incorrect length, which can result in harness damage and a loss of drive power

Defect summary

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 C300 and 2023 AMG C43 vehicles. The transmission wiring harness may be the incorrect length, which can result in harness damage and a loss of drive power.

Consequence

A loss of drive power can increase the risk of a crash.

Remedy

Dealers will inspect and repair the transmission wiring harness routing, as necessary, free of charge. Owner notification letters were mailed August 18, 2023. Owners may contact MBUSA customer service at 1-800-367-6373. MBUSA's number for this recall is 2023070015.

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.nhtsa.gov.

Source: NHTSA ODI recalls file, campaign 23V462000. Text as published by NHTSA.

Vehicles covered

2 product lines are covered

Owner complaints filed with NHTSA about electrical system on these vehicles: 12, of which 1 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 23V-462
Make	Model	Model years	Complaints on this component
Mercedes-Benz	AMG C43	2023	0
Mercedes-Benz	C 300	2022 to 2023	12

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

23 service bulletins on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

26V-281 May 1, 2026
Infotainment control unit may reset while the vehicle is in motion and cause the instrument panel display to go blank
26V-073 Feb 6, 2026
High voltage battery may fail internally and lead to a vehicle fire while parked or driving
25V-894 Dec 19, 2025
High voltage battery may fail internally and lead to a vehicle fire while parked or driving
25V-865 Dec 12, 2025
Transmission wiring harness may be routed too close to the front driveshaft, which can result in wiring harness damage and cause a loss of drive power
25V-487 Jul 25, 2025
Bus bar in the high voltage battery may be secured with incorrect screws, which can cause the system to have a sudden loss of drive power without…
25V-255 May 12, 2025
Incorrect fuse box that was not designed for the vehicle may have been installed