The official notice
Defect
Mercedes-Benz USA LLC, (MBUSA) is recalling certain 2017 E300 and E300 4Matic vehicles. The front passenger air bag may not deploy properly if a front seat passenger is sitting on the edge of the seat or is laying in the seat with the seat reclined. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
Safety Risk
In the event of a crash that necessitates air bag deployment, if the air bag does not deploy as intended, there would be an increased risk of occupant injury.
Remedy
MBUSA will notify owners, and dealers will update the air bag control module software, free of charge. The recall began April 13, 2017. Owner's can contact MBUSA customer service at 1-800-367-6372.