2011 Mercedes R-Class Owner's Manual - Page 45

Occupant safety G Warning indicator lamp out, the front-passenger front air bag is activated. When the OCS senses that the frontpassenger seat occupant is classified as an adult or someone larger than a small individual, the 42 indicator lamp will illuminate for approximately six seconds when the engine is started and then go out, indicating that the front-passenger front air bag is activated. If the 42 indicator lamp is illuminated, the front-passenger front air bag is deactivated and will not be deployed. If the 42 indicator lamp is not illuminated, the front-passenger front air bag is activated and will be deployed: Rin Rif 43 If the 42 indicator lamp illuminates when an adult or someone larger than a small individual is in the frontpassenger seat, have the front passenger reposition himself or herself in the seat until the 42 indicator lamp goes out, or check whether objects are caught under or around the seat. In the event of a collision, the air bag control unit will not allow front-passenger front air bag deployment when the OCS has classified the front-passenger seat occupant as weighing as much as or less than a typical 12month-old child in a standard child restraint or if the front-passenger seat is classified as being empty. When the OCS senses that the frontpassenger seat occupant is classified as being up to or less than the weight of a typical 12-month old child in a standard child restraint, the 42 indicator lamp will illuminate when the engine is started and remain illuminated, indicating that the frontpassenger front air bag is deactivated. When the OCS senses that the frontpassenger seat is classified as being empty, the 42 indicator lamp will illuminate when the engine is started and remain illuminated, indicating that the frontpassenger front air bag is deactivated. When the OCS senses that the frontpassenger seat occupant is classified as being heavier than the weight of a typical 12month-old child seated in a standard child restraint or as being a small individual (such as a young teenager or a small adult), the 42 indicator lamp will illuminate for approximately 6 seconds when the engine is started and then, depending on occupant weight sensor readings from the frontpassenger seat, remain illuminated or go out. With the 42 indicator lamp illuminated, the front-passenger front air bag is deactivated. With the 42 the event of certain frontal impacts impact exceeds a preset deployment threshold Rindependently of the side impact air bags If the front-passenger front air bag is deployed, the rate of inflation will be influenced by: Rthe rate of relevant vehicle deceleration as assessed by the air bag control unit Rthe front passenger's weight category as identified by OCS For further information, see "Air bag display messages" (Y page 215). G Warning According to accident statistics, children are safer when properly restrained on the rear seats than on the front-passenger seat. Thus, we strongly recommend that children be placed in the rear seats whenever possible. Regardless of seating position, children 12 years old and under must be seated and properly secured in an appropriately sized child restraint system or booster seat recommended for the size and weight of the child. The infant or child restraint system must be properly secured with the vehicle's seat belt, Z Safety