Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 AMG GT63 4MATIC and AMG GT63S 4MATIC vehicles. A wiring harness for the automatic transmission may not be properly secured, allowing it to chafe against the drive shaft and possibly cause an engine stall.
An engine stall can increase the risk of a crash.
MBUSA will notify owners, and dealers will inspect the mounting clips and wiring harness, and repair or replace them, as necessary, free of charge. The recall began March 13, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020020016.
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.