2009 Mercedes SLK-Class Owner's Manual - Page 50

Safety and security Occupant safety RIf you install a rear-facing child restraint on the passenger seat, make sure the 75 indicator lamp is illuminated, indicating that the passenger front air bag is deactivated. Should the 75 indicator lamp not illuminate or go out while the restraint is installed, please check installation. Periodically check the 75 indicator lamp while driving to make sure the 75 indicator lamp is illuminated. If the 75 indicator lamp goes out or remains out, do not transport a child on the passenger seat until the system has been repaired. A child in a rear-facing child restraint on the passenger seat will be seriously injured or even killed if the passenger front air bag inflates. you place a child in a forward-facing child restraint on the passenger seat, move the seat as far back as possible, use the proper child restraint recommended for the age, size and weight of the child, and secure child restraint with the vehicle's seat belt according to the child seat manufacturer's instructions. For children larger than the typical 12-month-old child, the passenger front air bag may or may not be activated. Deployment of the driver front air bag does not mean that the passenger front air bag also should have deployed. The OCS may have determined: Rthat the seat was empty or occupied by the weight up to or less than that of a typical 12-month-old child seated in a standard child restraint - both instances where the system suppresses deployment of the passenger front air bag even though the impact met the criteria and was of sufficient severity to deploy the driver front air bag Rthat 1 Passenger front air bag off indicator lamp RIf the seat was occupied by a small individual (such as a young teenager or a small adult) or a child who weighs more than the weight of a typical 12-month-old child in a standard child restraint - both of which are instances where the system may suppress deployment of the passenger front air bag even though the impact met the criteria and was of sufficient severity to deploy the driver front air bag The 75 indicator lamp 1 will be illuminated, except with the SmartKey removed from the starter switch or with the starter switch in position 0. G Warning! If the 1 indicator lamp and the 75 indicator lamp are lit at the same time, there is a malfunction in the OCS. The passenger front air bag will be deactivated in this case. Have the system checked as soon as possible by qualified technicians. Contact an authorized Mercedes-Benz Center. Only have the seat repaired or replaced at an authorized Mercedes-Benz Center. 48