The problem
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.
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 fix
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.
Recall details
| NHTSA campaign | 18V-908 (18V908000) |
|---|---|
| Manufacturer number | 2019040025 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Lane departure › Lane keep › Steering assist |
| Report date | December 19, 2018 |
| Owners notified | May 13, 2019 |
| Vehicles affected | 5,754 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the driver assistance
Frequently asked questions
Is the recall 18V-908 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: 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.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 5,754 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.