Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 AMG S63 4MATIC coupe, AMG S63 4MATIC sedan, AMG S63 4MATIC Cabriolet, S450 4MATIC sedan, S560 4MATIC coupe, S560 4MATIC sedan, and Maybach S560 4MATIC vehicles. Due to an incorrect steering boot installation, the Active Steering Assist system may remain engaged despite the driver's hands not being on the steering wheel for a prolonged period of time.
MBUSA has notified owners, and dealers will inspect the vehicles and correct the steering boot installation, as necessary, free of charge. An interim letter was mailed to owners on February 14, 2019 to notify them of the issue. A second notification will be sent when the remedy is available. Owners may contact Mercedes Benz customer service at 1-800-367-6372.