Mercedes-Benz W204
What the hazard is
In rare cases, various restraint system components could additionally be triggered without obvious cause. This could constitute a risk of accident and/or injury.
What to do
Letters will be sent to owners of affected vehicles
Defect
Due to the possibility of corrosion on internal components, the restraint system control unit may fail. As a result the restraint system components such as the airbags could be deactivated. In this case, the SRS warning lamp would illuminate.