Instruments and controls 93Ultrasonic parking assistr illuminates yellow.Fault in systemorFault due to sensors that are dirty orcovered by ice or snoworInterference due to external sourcesof ultrasound. Once the source ofinterference is removed, the systemwill operate normally.Have the cause of the fault in thesystem remedied by a workshop.Ultrasonic parking assist 3 159.Electronic Stability Controlofft illuminates yellow.The system is deactivated.Electronic Stability Controland Traction Control systemb flashes or illuminates yellow.FlashesThe system is actively engaged.Engine output may be reduced andthe vehicle may be brakedautomatically to a small degree.IlluminatesA fault in the system is present. Awarning message or warning codeappears in the Driver InformationCentre. Continued driving is possible.The system is not operational. Drivingstability, however, may deterioratedepending on road surfaceconditions.Have the cause of the fault remediedby a workshop.Electronic Stability Control 3 151,Traction Control system 3 150.Traction Control system offk illuminates yellow.The system is deactivated.Preheating! illuminates yellow.Preheating of diesel engine isactivated. Only activates whenoutside temperature is low.Diesel particle filter% illuminates or flashes yellow.The diesel particle filter requirescleaning.Continue driving until %extinguishes. If possible, do not allowengine speed to drop below2000 rpm.IlluminatesThe diesel particle filter is full. Startcleaning process as soon aspossible.FlashesThe maximum filling level of the filteris reached. Start cleaning processimmediately to avoid damage to theengine.Diesel particle filter 3 139, Stop-startsystem 3 135.
