2009 Mercedes S-Class Owner's Manual - Page 53

Safety and security Occupant safety is transferred to another object in the vehicle (e.g. by leaning on armrests), the OCS may not be able to properly approximate the occupant's weight category. Furthermore, the occupant weight may appear to increase or decrease due to the following: objects hanging on the seat, lodged underneath the seat, stuffed between the seat and middle console or the seat and door, other passengers pushing on the seat, or objects applying pressure to the back of the seat. Always make sure the seat has clearance in all directions at all times. larger than a small individual is in the front passenger seat, have the front passenger re-position himself or herself in the seat until the 75 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 weighting as much as or less than a typical 12-month-old child in a standard child restraint or if the front passenger seat is classified as being empty. When the OCS senses that the front passenger 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 75 indicator lamp will illuminate when the engine is started and remain illuminated, indicating that the front passenger front air bag is deactivated. When the OCS senses that the front passenger seat is classified as being empty, the 75 indicator lamp will illuminate when the engine is started and remain illuminated, indicating that the front passenger front air bag is deactivated. When the OCS senses that the front passenger seat occupant is classified as being heavier than the weight of a typical 12-month-old child seated in a standard child restraint or as being a small individual (such as a young teenager or a small adult), the 75 indicator lamp will illuminate for approximately 6 seconds when the engine is started and then, depending on occupant weight sensor readings from the seat, remain illuminated or go out. With the 75 indicator lamp illuminated, the front passenger front air bag is deactivated. With the 75 indicator lamp out, the front passenger front air bag is activated. When the OCS senses that the front passenger seat occupant is classified as an adult or someone larger than a small individual, the 75 indicator lamp will illuminate for approximately 6 seconds when the engine is started and then go out, indicating that the front passenger front air bag is activated. Z i If your seat, including the trim cover and cushion, needs to be serviced in any way, take the vehicle to an authorized Mercedes-Benz Center. Only seat accessories approved by Mercedes-Benz may be used. Both the driver and the front passenger should always use the 75 indicator lamp as an indication of whether or not the front passenger is properly positioned. G Warning! If the 75 indicator lamp illuminates when an adult or someone 51