2010 Mercedes GLK-Class Owner's Manual - Page 44

42 Occupant safety Rregardless Rin of whether the seat belt on the impacted side of the vehicle is in use certain vehicle rollovers, if the system determines that air bag deployment can offer additional protection to that provided by the seat belt Safety and security Only seat accessories approved by Mercedes-Benz may be used. Both the driver and the front passenger should always use the 45 indicator lamp as an indication of whether or not the front passenger is properly positioned. Window curtain air bags : are not deployed in impacts which do not exceed the system's deployment threshold. Window curtain air bags : deploy in the area indicated by the arrows. G Warning! Occupant Classification System The Occupant Classification System (OCS) is standard equipment in USA. The OCS activates or deactivates the front passenger front air bag automatically. The respective status is based on the classified occupant weight category determined by weight sensor readings from the front passenger seat. The system does not deactivate Rthe Rthe Rthe front passenger side impact air bag window curtain air bag Emergency Tensioning Devices (ETDs) To be classified correctly, the front 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. If the 45 indicator lamp illuminates when an adult or someone larger than a small individual is in the front passenger seat, have the front passenger reposition himself or herself in the seat until the 45 indicator lamp goes out. 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-monthold 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 45 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 45 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 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