2009 Mercedes SL-Class Owner's Manual - Page 299

Practical hints What to do if ... Problem < During driving the red seat belt telltale flashes and you additionally hear an intermittent warning chime with increasing intensity. Possible cause/consequence The vehicle's speed once exceeded 15 mph (25 km/h) and you and/or your passenger have forgotten to fasten your seat belts. There are items placed on the passenger seat and therefore the system senses the passenger seat as being occupied. Suggested solutions X Fasten your seat belts. The seat belt telltale goes out and the warning chime stops sounding. X Remove the items from the passenger seat and put them in a safe place. The seat belt telltale goes out and the warning chime stops sounding. 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 passenger's seat belt are fastened, or the vehicle is standing still and a door is opened. Problem Possible cause/consequence Suggested solutions X 1 The red SRS indicator There is a malfunction in the lamp comes on while driv- restraint systems. The air bags or ing. Emergency Tensioning Devices (ETDs) could deploy unexpectedly or fail to activate in an accident. Drive with added caution to the nearest authorized Mercedes-Benz Center. G Warning! In the event a malfunction of the SRS is indicated as outlined above, the SRS may not be operational. Z 297