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.

Lane Departure — Lane Keep — Automatic Steering
Lane Departure — Lane Keep — Steering Assist|Steering — Electric Power Assist System

Date Announced

DEC 19, 2018

Vehicles Affected

6,200

Mercedes-Benz Recall #

2019040024

NHTSA Campaign #

18V910000

Summary

Mercedes-Benz USA, LLC. (Mercedes) is recalling certain 2018 S450 4MATIC, S560 4MATIC Coupe, S63 AMG 4MATIC Coupe, Maybach S560 4MATIC, S560 4MATIC, S63 AMG and S63 AMG 4MATIC Cabrio vehicles. The Hands-off-Detection system may malfunction, causing the Active Steering Assist system to remain engaged despite the driver's hands not being on the steering wheel for a prolonged period of time.

Actions

Mercedes has notified owners, and dealers will update the software of the steering control unit, free of charge. The recall began May 13, 2019. Owners may contact Mercedes customer service at 1-800-367-6372. MBUSA's number for this recall is 2019040024.

Documents (13)

• Recall 573 Report - AMENDMENT 2
• Recall 573 Report - AMENDMENT 3
• Recall 573 Report - AMENDMENT 4
• Manufacturer Notices(to Dealers,etc)- RE: Recall Campaign Launch Notification 2019040024 Update EPS SW MY18-19 S-Class, S-Class Coupe (222, 217)
• Defect Notice 573 Report
• Recall Acknowledgement
• ISSUED Interim Owner Notification Letter(Part 577)
• Defect Notice 573 Report
• Manufacturer Notices(to Dealers,etc) - RE: Recall Campaign Initial Notification Active Steering Assist Hands-off Detection - MY 18 S-Class, S-Class Coupe (222, 217)
• ISSUED Owner Notification Letter(Part 577)
• Recall Quarterly Report #3, 2019-4
• Recall Quarterly Report #1, 2019-2
• Recall Quarterly Report #2, 2019-3