2018 Mercedes-Benz AMG E63S, 2019 Mercedes-Benz CLS 450, 2018 Mercedes-Benz E 300 and 2 other models Recall: Occupant Classification System (OCS) may not be properly calibrated…
NHTSA campaign 18V515000 · Air Bags · filed Aug 3, 2018 · verified Jul 30, 2026
The defect
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz E300, E300 4Matic, E43 AMG 4Matic, E400 4Matic, E63S AMG 4Matic+, and 2019 CLS450 4Matic vehicles. The Occupant Classification System (OCS) may not be properly calibrated, resulting in the front passenger air bag not being deactivated if a child seat is in the front seat.
The risk
If a child seat is in the front seat and the passenger air bag is not deactivated, in the event of a crash, it can increase the risk of injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
MBUSA will notify owners, and dealers will replace the front passenger seat cushion, free of charge. The recall began November 26, 2018. Owners may contact MBUSA customer service at 1-800-367-6372.
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.
Affected vehicles
Related recalls
More Mercedes-Benz AMG E63S recalls
- 2021 Mercedes-Benz AMG CLS53 and 16 other models — Due to a software error in the hand detection control unit…
- 2019–2021 Mercedes-Benz A 220 and 34 other models — Please refer to MBUSA's recall report for specific vehicle…
- 2020–2021 Mercedes-Benz AMG E53 and 4 other models — Passenger seat limiter may allow the seat to be positioned…
- 2018–2021 Mercedes-Benz AMG E63S and 2 other models — Starter motor positive cable may not have been installed…
- 2020 Mercedes-Benz AMG E63S and 6 other models — Left-rear seatback latch may not be strong enough to…
Other campaigns involving Mercedes-Benz vehicles
- 2026 Mercedes-Benz AMG GLE53 4MATIC+ and 13 other models — Bolts for the rear seat belts may not be tightened properly
- 2026 Mercedes-Benz CLA 250+ (ev) and 1 other model — Front passenger seat belt retractor may have been…
- 2025–2026 Mercedes-Benz AMG C43 4MATIC and 34 other models — Infotainment control unit may reset while the vehicle is in…
All Mercedes-Benz AMG E63S recalls → · All Mercedes-Benz recalls →
Source: NHTSA recall database, campaign 18V515000 (manufacturer number 2018100004). Data last verified Jul 30, 2026.