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

Occupant safety passenger seat is occupied and the impact exceeds a preset deployment threshold. Head-thorax air bags : are not deployed in side impacts which do not exceed the system's deployment threshold. seat until the 45 indicator lamp goes out. In the event of a collision, the air bag control unit will not allow passenger front air bag deployment when the OCS has classified the 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 passenger seat is classified as being empty. When the OCS senses that the 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 45 indicator lamp will illuminate when the engine is started and remain illuminated, indicating that the passenger front air bag is deactivated. When the OCS senses that the passenger seat is classified as being empty, the 45 indicator lamp will illuminate when the engine is started and remain illuminated, indicating that the passenger front air bag is deactivated. When the OCS senses that the 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 45 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 45 indicator lamp illuminated, the passenger front air bag is deactivated. With the 45 indicator lamp out, the passenger front air bag is activated. When the OCS senses that the passenger seat occupant is classified as an adult or someone larger than a small individual, the 45 indicator lamp will illuminate for approximately 6 seconds when the engine is started and then goes out, indicating that the passenger front air bag is activated. 43 Occupant Classification System The Occupant Classification System (OCS) activates or deactivates the passenger front air bag automatically. The respective status is based on the classified occupant weight category determined by weight sensor readings from the passenger seat. The system does not deactivate the passenger head-thorax air bag and the Emergency Tensioning Devices (ETDs). To be classified correctly, the passenger must sit Rwith Rin the seat belt properly fastened a position that is as upright as possible with the back against the seat backrest the feet on the floor Rwith If the occupant's weight 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. 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 passenger should always use the 45 indicator lamp as an indication of whether or not the passenger is properly positioned. G Warning! If the 45 indicator lamp illuminates when an adult or someone larger than a small individual is in the passenger seat, have the passenger reposition himself or herself in the Z Safety and security