2009 Mercedes R-Class Owner's Manual - Page 64
2009 Mercedes R-Class Manual
Page 64 highlights
Safety and security Occupant safety Enhanced seat belt reminder system When the engine is started, the seat belt telltale < will always illuminate for 6 seconds to remind you and your passengers to fasten your seat belts. If the driver's seat belt is not fastened when the engine is started, an additional warning chime will also sound for a maximum of 6 seconds or until the driver's seat belt is fastened. If after these 6 seconds the driver's or the front passenger's seat belt (with the front passenger seat occupied) is not fastened with front doors closed, Rthe telltale < starts flashing and the warning chime sounds as described before. If the driver's or the front passenger's seat belt remains unfastened after 60 seconds, the warning chime stops sounding, the seat belt telltale < stops flashing but continues to be illuminated. After a vehicle standstill, the warning chime is reactivated and the seat belt telltale < is flashing again if the vehicle speed once exceeds 15 mph (25 km/h). The seat belt telltale < will only go out if both the driver's and the front passenger's seat belt (with the front passenger seat occupied) are fastened, or the vehicle is standing still and a front door is opened. For more information, see "Practical hints" (Y page 343). The ETDs are designed to activate in the following cases: Rin Rin frontal or rear-end impacts exceeding the system's preset deployment threshold side impacts exceeding the system's preset deployment threshold on the far side of the impact certain vehicle rollovers Rin Rif the restraint systems are operational and functioning correctly, see 1 indicator lamp (Y page 45) The ETDs for the front seats will only activate if the front seat belts are fastened (latch plate properly inserted into buckle). The ETDs for the rear outer seats (second-row seats) or rear seats (third-row seats) will activate with or without the respective seat belts fastened. In an impact, the ETDs remove slack from the seat belts in such a way that the seat belts fit more snugly against the body. Seat belt force limiters, when activated, are employed to help reduce the peak force exerted by the seat belts on occupants during a crash. seat belt telltale < remains illuminated for as long as either the driver's or front passenger's seat belt is not fastened. if the vehicle speed once exceeds 15 mph (25 km/h), the seat belt telltale < starts flashing and a warning chime sounds with increasing intensity for a maximum of 60 seconds or until the driver's and front passenger's seat belt are fastened. If you and/or your passenger release the seat belt during driving, the seat belt Rand Emergency Tensioning Device (ETD), seat belt force limiter The seat belts for the following seats are equipped with ETDs and seat belt force limiters: Rfront seats second-row seats seats Routboard Rthird-row i The ETDs do not correct an incorrect seat position or incorrectly worn seat belts. 62
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