2017 Mercedes Benz S 63 AMG Technical Service Bulletin # S-91_60-193 Date: 100611

Restraints - Air Bag Durability And Reliability
Date: June 11, 2010
Order No: S-B-91.60/193
Group: 91
Subject:
Page 330
MY-All, Models All
Airbag Durability and Reliability
The air bag SRS control module (N2/2) does not have a set shelf life and will normally be reliable for the life of a Mercedes-Benz vehicle.
NOTE:
With 164, 216, 221, 251 and newer, the airbag control unit can be reset five times. With models 202, 210 and newer, the airbag control unit can be
reset three times.
Earlier models would have to have their airbag control unit and triggered restrain components changed only after an accident.after an accident.