The defect
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.
The risk
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.
The remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mercedes-Benz AMG S63 | 2018, 2019 |
| Mercedes-Benz S 450 | 2018, 2019 |
| Mercedes-Benz S560 | 2018, 2019 |
Components: LANE DEPARTURE: LANE KEEP: AUTOMATIC STEERING | LANE DEPARTURE: LANE KEEP: STEERING ASSIST | STEERING:ELECTRIC POWER ASSIST SYSTEM
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mercedes-Benz AMG S63 | 2018 | 2 | 6 |
| Mercedes-Benz AMG S63 | 2019 | 3 | 7 |
| Mercedes-Benz S 450 | 2018 | 7 | 8 |
| Mercedes-Benz S 450 | 2019 | 3 | 8 |
| Mercedes-Benz S560 | 2018 | 13 | 10 |
| Mercedes-Benz S560 | 2019 | 5 | 10 |
Other lane departure recalls in 2018
4 of the 912 recall campaigns reported to NHTSA in 2018 concerned the lane departure; Mercedes-Benz USA, LLC. filed 199 campaigns in all.
| 18V908000 19 Dec 2018 | Mercedes-Benz USA, LLC. |
| 18V607000 11 Sept 2018 | Mercedes-Benz USA, LLC. |
| 18V374000 6 Jun 2018 | BMW of North America, LLC |
NHTSA recalls (public domain) · all recalls of 2018