2007 Mercedes S-Class Owner's Manual - Page 552

Practical hints What to do if ...? Problem Possible cause/consequence The red seat belt telltale remains illuminated after driving off. The vehicle's speed does not exceed 15 mph (25 km/h). Suggested solution < You and/or your front passenger have forFasten your seat belts. gotten to fasten your seat belts. or There are items placed on the front passenRemove the items from the front pasger seat and therefore the system senses senger seat and put them in a safe the front passenger seat as being occupied. place. The seat belt telltale goes out. You and/or your front passenger have forgotten to fasten your seat belts. There are items placed on the front passenger seat and therefore the system senses the front passenger seat as being occupied. Fasten your seat belts. or Remove the items from the front passenger seat and put them in a safe place. The seat belt telltale goes out and the warning chime stops sounding. < The red seat belt telltale flashes and you additionally hear an intermittent warning chime with increasing intensity for a maximum of 60 seconds from the time the vehicle's speed exceeds 15 mph (25 km/h). i After 60 seconds with an unfastened seat belt the warning chime stops sounding and the seat belt telltale illuminates continuously. The seat belt telltale will only go out if both, the driver and front passenger's, seat belt are fastened, or the vehicle is standing still and a front door is opened. 551