2011 Mercedes SL-Class Owner's Manual - Page 259
2011 Mercedes SL-Class Manual
Page 259 highlights
What to do if ... Problem 7 The red seat belt telltale comes on while the vehicle is standing still and the engine is running or while driving. Possible causes/consequences and M Solutions You and/or your passenger have forgotten to fasten your seat belts. X Fasten your seat belts. The seat belt telltale goes out. There are items placed on the passenger seat and therefore the system senses the passenger seat as being occupied. X Remove the items from the passenger seat and put them in a safe place. The seat belt telltale goes out. The vehicle's speed once exceeded 15 mph (25 km/h) and you and/or your passenger have forgotten to fasten your seat belts. X Fasten your seat belts. The seat belt telltale goes out and the warning chime stops sounding. There are items placed on the passenger seat and therefore the system senses the passenger seat as being occupied. 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. 257 7 The red seat belt telltale flashes while driving. In addition, an intermittent warning chime sounds with increasing intensity. 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 + The red SRS indicator lamp comes on while driving. Possible causes/consequences and M Solutions There is a malfunction in the restraint systems. The air bags or Emergency Tensioning Devices (ETDs) could deploy unexpectedly or fail to activate in an accident. X Drive with added caution to the nearest authorized MercedesBenz Center. Center immediately to have the system checked. Otherwise the SRS may not be activated when needed in an accident, which could result in serious or fatal injury, or it might deploy unexpectedly and unnecessarily which could also result in injury. G Warning! In the event a malfunction of the SRS is indicated as outlined above, the SRS may not be operational. For your safety, we strongly recommend that you contact an authorized Mercedes-Benz Z Practical hints
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