The problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 C300 4Matic Cabriolet, C43 AMG Cabriolet, C300 Cabriolet, C300 Coupe, C300 4Matic Coupe, C43 AMG Coupe, E450 Coupe, E53 AMG Cabriolet, S450, S560, E450 Cabriolet, E450 4Matic Cabriolet, E450 4Matic Coupe, E53 AMG Coupe, S450 4Matic, S560 4Matic, S63 AMG and S65 AMG vehicles and Mercedes-Mayback S650 and S560 4 Matic vehicles. A correctly fastened seatbelt may be inaccurately detected as being unfastened, preventing the seat belt pre-tensioners from activating in the event of a crash.
The risk
If the seat belt tensioning does not activate in the event of a crash, it can increase the risk of injury.
The fix
MBUSA will notify owners, and dealers will replace the seat belt buckles, free of charge. The recall began March 18, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019020012.
Recall details
| NHTSA campaign | 18V-839 (18V839000) |
|---|---|
| Manufacturer number | 2019020012 |
| Manufacturer | Mercedes-Benz USA, LLC |
| Component | Seat belts |
| Report date | November 27, 2018 |
| Owners notified | March 18, 2019 |
| Vehicles affected | 4,969 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the seat belts
Frequently asked questions
Is the recall 18V-839 repair free?
Yes. Mercedes-Benz dealers will fix the problem at no cost: MBUSA will notify owners, and dealers will replace the seat belt buckles, free of charge. The recall began March 18, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019020012.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 4,969 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.