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Vehicle recall 18V908000 · December 19, 2018

Mercedes-Benz AMG S63, Mercedes-Benz S 450 and 2 more models

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…

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
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.
Consequence
If the system remains active despite the driver not having their hands on the wheel, the driver's inattention may increase the risk of crash.
Remedy
MBUSA has notified owners, and dealers will inspect the vehicles and correct the steering boot installation, as necessary, free of charge. The recall began May 13, 2019. Owners may contact Mercedes Benz customer service at 1-800-367-6372. MBUSA's number for this recall is 2019040025.
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.

Recall details

NHTSA campaign
18V908000
Reported to NHTSA
December 19, 2018
Filed by
Mercedes-Benz USA, LLC.
Manufacturer campaign
2019040025
Owner notification
May 13, 2019
Vehicles potentially affected
5,754
Initiated by
the manufacturer
Components
Lane departure › Lane keep › Steering assist; Steering › Electric power assist system
Recall 18V908000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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